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Finding the Fourth Proportional to 60,427.65, 90,641.25 and 14,835.54

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Solution

The fourth proportional to 60,427.65, 90,641.25 and 14,835.54 is: 22,253.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,427.65 : 90,641.25 = 14,835.54 : x
  2. Step 2: Convert to fraction form
    60,427.65/90,641.25 = 14,835.54/x
  3. Step 3: Cross multiply
    60,427.65x = 90,641.25 × 14,835.54
  4. Step 4: Simplify right side
    60,427.65x = 1,344,711,890.03
  5. Step 5: Solve for x
    x = 1,344,711,890.03/60,427.65
  6. Step 6: Final answer
    x = 22,253.25

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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.