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Finding the Fourth Proportional to 59,521.20, 89,218.80 and 22,057.20

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Solution

The fourth proportional to 59,521.20, 89,218.80 and 22,057.20 is: 33,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,521.20 : 89,218.80 = 22,057.20 : x
  2. Step 2: Convert to fraction form
    59,521.20/89,218.80 = 22,057.20/x
  3. Step 3: Cross multiply
    59,521.20x = 89,218.80 × 22,057.20
  4. Step 4: Simplify right side
    59,521.20x = 1,967,916,915.36
  5. Step 5: Solve for x
    x = 1,967,916,915.36/59,521.20
  6. Step 6: Final answer
    x = 33,062.45

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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.