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Finding the Fourth Proportional to 8,972.71, 13,459.30 and 2,398.88

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Solution

The fourth proportional to 8,972.71, 13,459.30 and 2,398.88 is: 3,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.71 : 13,459.30 = 2,398.88 : x
  2. Step 2: Convert to fraction form
    8,972.71/13,459.30 = 2,398.88/x
  3. Step 3: Cross multiply
    8,972.71x = 13,459.30 × 2,398.88
  4. Step 4: Simplify right side
    8,972.71x = 32,287,273.24
  5. Step 5: Solve for x
    x = 32,287,273.24/8,972.71
  6. Step 6: Final answer
    x = 3,598.39

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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.