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Finding the Fourth Proportional to 39,248.80, 58,851.60 and 15,848.80

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Solution

The fourth proportional to 39,248.80, 58,851.60 and 15,848.80 is: 23,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,248.80 : 58,851.60 = 15,848.80 : x
  2. Step 2: Convert to fraction form
    39,248.80/58,851.60 = 15,848.80/x
  3. Step 3: Cross multiply
    39,248.80x = 58,851.60 × 15,848.80
  4. Step 4: Simplify right side
    39,248.80x = 932,727,238.08
  5. Step 5: Solve for x
    x = 932,727,238.08/39,248.80
  6. Step 6: Final answer
    x = 23,764.48

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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.