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Finding the Fourth Proportional to 22,701, 31,332.36 and 12,632.88

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Solution

The fourth proportional to 22,701, 31,332.36 and 12,632.88 is: 17,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,701 : 31,332.36 = 12,632.88 : x
  2. Step 2: Convert to fraction form
    22,701/31,332.36 = 12,632.88/x
  3. Step 3: Cross multiply
    22,701x = 31,332.36 × 12,632.88
  4. Step 4: Simplify right side
    22,701x = 395,817,944.00
  5. Step 5: Solve for x
    x = 395,817,944.00/22,701
  6. Step 6: Final answer
    x = 17,436.15

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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.