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Finding the Fourth Proportional to 8,706.16, 13,057.08 and 4,088.08

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Solution

The fourth proportional to 8,706.16, 13,057.08 and 4,088.08 is: 6,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.16 : 13,057.08 = 4,088.08 : x
  2. Step 2: Convert to fraction form
    8,706.16/13,057.08 = 4,088.08/x
  3. Step 3: Cross multiply
    8,706.16x = 13,057.08 × 4,088.08
  4. Step 4: Simplify right side
    8,706.16x = 53,378,387.61
  5. Step 5: Solve for x
    x = 53,378,387.61/8,706.16
  6. Step 6: Final answer
    x = 6,131.11

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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.