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Finding the Fourth Proportional to 59,420.80, 89,123.52 and 22,480

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Solution

The fourth proportional to 59,420.80, 89,123.52 and 22,480 is: 33,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,420.80 : 89,123.52 = 22,480 : x
  2. Step 2: Convert to fraction form
    59,420.80/89,123.52 = 22,480/x
  3. Step 3: Cross multiply
    59,420.80x = 89,123.52 × 22,480
  4. Step 4: Simplify right side
    59,420.80x = 2,003,496,729.60
  5. Step 5: Solve for x
    x = 2,003,496,729.60/59,420.80
  6. Step 6: Final answer
    x = 33,717.09

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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.