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Finding the Fourth Proportional to 32,042.95, 48,069.42 and 15,399.88

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Solution

The fourth proportional to 32,042.95, 48,069.42 and 15,399.88 is: 23,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,042.95 : 48,069.42 = 15,399.88 : x
  2. Step 2: Convert to fraction form
    32,042.95/48,069.42 = 15,399.88/x
  3. Step 3: Cross multiply
    32,042.95x = 48,069.42 × 15,399.88
  4. Step 4: Simplify right side
    32,042.95x = 740,263,299.67
  5. Step 5: Solve for x
    x = 740,263,299.67/32,042.95
  6. Step 6: Final answer
    x = 23,102.22

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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.