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Finding the Fourth Proportional to 8,729.14, 13,088.74 and 5,959.17

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Solution

The fourth proportional to 8,729.14, 13,088.74 and 5,959.17 is: 8,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.14 : 13,088.74 = 5,959.17 : x
  2. Step 2: Convert to fraction form
    8,729.14/13,088.74 = 5,959.17/x
  3. Step 3: Cross multiply
    8,729.14x = 13,088.74 × 5,959.17
  4. Step 4: Simplify right side
    8,729.14x = 77,998,026.75
  5. Step 5: Solve for x
    x = 77,998,026.75/8,729.14
  6. Step 6: Final answer
    x = 8,935.36

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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.