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Finding the Fourth Proportional to 13,048.62, 18,004.08 and 8,807.55

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Solution

The fourth proportional to 13,048.62, 18,004.08 and 8,807.55 is: 12,152.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.62 : 18,004.08 = 8,807.55 : x
  2. Step 2: Convert to fraction form
    13,048.62/18,004.08 = 8,807.55/x
  3. Step 3: Cross multiply
    13,048.62x = 18,004.08 × 8,807.55
  4. Step 4: Simplify right side
    13,048.62x = 158,571,834.80
  5. Step 5: Solve for x
    x = 158,571,834.80/13,048.62
  6. Step 6: Final answer
    x = 12,152.38

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Half scale
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Double scale
Find fourth proportional to 13,049.62, 18,005.46 and 8,808.55
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.