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Finding the Fourth Proportional to 22,998.98, 31,737.88 and 12,927.18

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Solution

The fourth proportional to 22,998.98, 31,737.88 and 12,927.18 is: 17,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,998.98 : 31,737.88 = 12,927.18 : x
  2. Step 2: Convert to fraction form
    22,998.98/31,737.88 = 12,927.18/x
  3. Step 3: Cross multiply
    22,998.98x = 31,737.88 × 12,927.18
  4. Step 4: Simplify right side
    22,998.98x = 410,281,287.58
  5. Step 5: Solve for x
    x = 410,281,287.58/22,998.98
  6. Step 6: Final answer
    x = 17,839.11

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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.