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Finding the Fourth Proportional to 9,118.59, 13,677.88 and 7,041.62

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Solution

The fourth proportional to 9,118.59, 13,677.88 and 7,041.62 is: 10,562.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.59 : 13,677.88 = 7,041.62 : x
  2. Step 2: Convert to fraction form
    9,118.59/13,677.88 = 7,041.62/x
  3. Step 3: Cross multiply
    9,118.59x = 13,677.88 × 7,041.62
  4. Step 4: Simplify right side
    9,118.59x = 96,314,433.37
  5. Step 5: Solve for x
    x = 96,314,433.37/9,118.59
  6. Step 6: Final answer
    x = 10,562.43

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Half scale
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Double scale
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Similar ratio
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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.