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Finding the Fourth Proportional to 60,573.61, 90,765.95 and 38,340.02

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Solution

The fourth proportional to 60,573.61, 90,765.95 and 38,340.02 is: 57,450.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,573.61 : 90,765.95 = 38,340.02 : x
  2. Step 2: Convert to fraction form
    60,573.61/90,765.95 = 38,340.02/x
  3. Step 3: Cross multiply
    60,573.61x = 90,765.95 × 38,340.02
  4. Step 4: Simplify right side
    60,573.61x = 3,479,968,338.32
  5. Step 5: Solve for x
    x = 3,479,968,338.32/60,573.61
  6. Step 6: Final answer
    x = 57,450.24

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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.