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Finding the Fourth Proportional to 9,940.59, 13,711.11 and 6,752.10

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Solution

The fourth proportional to 9,940.59, 13,711.11 and 6,752.10 is: 9,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.59 : 13,711.11 = 6,752.10 : x
  2. Step 2: Convert to fraction form
    9,940.59/13,711.11 = 6,752.10/x
  3. Step 3: Cross multiply
    9,940.59x = 13,711.11 × 6,752.10
  4. Step 4: Simplify right side
    9,940.59x = 92,578,785.83
  5. Step 5: Solve for x
    x = 92,578,785.83/9,940.59
  6. Step 6: Final answer
    x = 9,313.21

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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.