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Finding the Fourth Proportional to 53,129.34, 79,659.36 and 24,654.60

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Solution

The fourth proportional to 53,129.34, 79,659.36 and 24,654.60 is: 36,965.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,129.34 : 79,659.36 = 24,654.60 : x
  2. Step 2: Convert to fraction form
    53,129.34/79,659.36 = 24,654.60/x
  3. Step 3: Cross multiply
    53,129.34x = 79,659.36 × 24,654.60
  4. Step 4: Simplify right side
    53,129.34x = 1,963,969,657.06
  5. Step 5: Solve for x
    x = 1,963,969,657.06/53,129.34
  6. Step 6: Final answer
    x = 36,965.82

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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.