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Finding the Fourth Proportional to 22,332.61, 30,819.03 and 12,901.17

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Solution

The fourth proportional to 22,332.61, 30,819.03 and 12,901.17 is: 17,803.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,332.61 : 30,819.03 = 12,901.17 : x
  2. Step 2: Convert to fraction form
    22,332.61/30,819.03 = 12,901.17/x
  3. Step 3: Cross multiply
    22,332.61x = 30,819.03 × 12,901.17
  4. Step 4: Simplify right side
    22,332.61x = 397,601,685.03
  5. Step 5: Solve for x
    x = 397,601,685.03/22,332.61
  6. Step 6: Final answer
    x = 17,803.64

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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.