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Finding the Fourth Proportional to 15,328.74, 22,899.87 and 9,737.28

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Solution

The fourth proportional to 15,328.74, 22,899.87 and 9,737.28 is: 14,546.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328.74 : 22,899.87 = 9,737.28 : x
  2. Step 2: Convert to fraction form
    15,328.74/22,899.87 = 9,737.28/x
  3. Step 3: Cross multiply
    15,328.74x = 22,899.87 × 9,737.28
  4. Step 4: Simplify right side
    15,328.74x = 222,982,446.15
  5. Step 5: Solve for x
    x = 222,982,446.15/15,328.74
  6. Step 6: Final answer
    x = 14,546.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.