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Finding the Fourth Proportional to 9,140.10, 13,710.15 and 9,053.70

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Solution

The fourth proportional to 9,140.10, 13,710.15 and 9,053.70 is: 13,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.10 : 13,710.15 = 9,053.70 : x
  2. Step 2: Convert to fraction form
    9,140.10/13,710.15 = 9,053.70/x
  3. Step 3: Cross multiply
    9,140.10x = 13,710.15 × 9,053.70
  4. Step 4: Simplify right side
    9,140.10x = 124,127,585.06
  5. Step 5: Solve for x
    x = 124,127,585.06/9,140.10
  6. Step 6: Final answer
    x = 13,580.55

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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.