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Finding the Fourth Proportional to 60,012.20, 89,888.70 and 49,644.20

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Solution

The fourth proportional to 60,012.20, 89,888.70 and 49,644.20 is: 74,359.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,012.20 : 89,888.70 = 49,644.20 : x
  2. Step 2: Convert to fraction form
    60,012.20/89,888.70 = 49,644.20/x
  3. Step 3: Cross multiply
    60,012.20x = 89,888.70 × 49,644.20
  4. Step 4: Simplify right side
    60,012.20x = 4,462,452,600.54
  5. Step 5: Solve for x
    x = 4,462,452,600.54/60,012.20
  6. Step 6: Final answer
    x = 74,359.09

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1.5x scale

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.