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Finding the Fourth Proportional to 61,548, 92,321.82 and 47,528.52

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Solution

The fourth proportional to 61,548, 92,321.82 and 47,528.52 is: 71,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,548 : 92,321.82 = 47,528.52 : x
  2. Step 2: Convert to fraction form
    61,548/92,321.82 = 47,528.52/x
  3. Step 3: Cross multiply
    61,548x = 92,321.82 × 47,528.52
  4. Step 4: Simplify right side
    61,548x = 4,387,919,468.31
  5. Step 5: Solve for x
    x = 4,387,919,468.31/61,548
  6. Step 6: Final answer
    x = 71,292.64

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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.