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Finding the Fourth Proportional to 8,516.71, 11,753.19 and 4,740.08

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Solution

The fourth proportional to 8,516.71, 11,753.19 and 4,740.08 is: 6,541.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.71 : 11,753.19 = 4,740.08 : x
  2. Step 2: Convert to fraction form
    8,516.71/11,753.19 = 4,740.08/x
  3. Step 3: Cross multiply
    8,516.71x = 11,753.19 × 4,740.08
  4. Step 4: Simplify right side
    8,516.71x = 55,711,037.15
  5. Step 5: Solve for x
    x = 55,711,037.15/8,516.71
  6. Step 6: Final answer
    x = 6,541.38

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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.