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Finding the Fourth Proportional to 34,322.80, 51,397.80 and 22,572.40

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Solution

The fourth proportional to 34,322.80, 51,397.80 and 22,572.40 is: 33,801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,322.80 : 51,397.80 = 22,572.40 : x
  2. Step 2: Convert to fraction form
    34,322.80/51,397.80 = 22,572.40/x
  3. Step 3: Cross multiply
    34,322.80x = 51,397.80 × 22,572.40
  4. Step 4: Simplify right side
    34,322.80x = 1,160,171,700.72
  5. Step 5: Solve for x
    x = 1,160,171,700.72/34,322.80
  6. Step 6: Final answer
    x = 33,801.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.