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Finding the Fourth Proportional to 8,811.48, 13,220.46 and 6,349.08

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Solution

The fourth proportional to 8,811.48, 13,220.46 and 6,349.08 is: 9,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.48 : 13,220.46 = 6,349.08 : x
  2. Step 2: Convert to fraction form
    8,811.48/13,220.46 = 6,349.08/x
  3. Step 3: Cross multiply
    8,811.48x = 13,220.46 × 6,349.08
  4. Step 4: Simplify right side
    8,811.48x = 83,937,758.18
  5. Step 5: Solve for x
    x = 83,937,758.18/8,811.48
  6. Step 6: Final answer
    x = 9,525.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.