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Finding the Fourth Proportional to 22,808.60, 31,476.02 and 12,737.16

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Solution

The fourth proportional to 22,808.60, 31,476.02 and 12,737.16 is: 17,577.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,808.60 : 31,476.02 = 12,737.16 : x
  2. Step 2: Convert to fraction form
    22,808.60/31,476.02 = 12,737.16/x
  3. Step 3: Cross multiply
    22,808.60x = 31,476.02 × 12,737.16
  4. Step 4: Simplify right side
    22,808.60x = 400,915,102.90
  5. Step 5: Solve for x
    x = 400,915,102.90/22,808.60
  6. Step 6: Final answer
    x = 17,577.37

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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.