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Finding the Fourth Proportional to 59,348.52, 89,001.72 and 21,900.60

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Solution

The fourth proportional to 59,348.52, 89,001.72 and 21,900.60 is: 32,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,348.52 : 89,001.72 = 21,900.60 : x
  2. Step 2: Convert to fraction form
    59,348.52/89,001.72 = 21,900.60/x
  3. Step 3: Cross multiply
    59,348.52x = 89,001.72 × 21,900.60
  4. Step 4: Simplify right side
    59,348.52x = 1,949,191,069.03
  5. Step 5: Solve for x
    x = 1,949,191,069.03/59,348.52
  6. Step 6: Final answer
    x = 32,843.13

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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.