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Finding the Fourth Proportional to 83,818.52, 115,659.85 and 48,006.39

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Solution

The fourth proportional to 83,818.52, 115,659.85 and 48,006.39 is: 66,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,818.52 : 115,659.85 = 48,006.39 : x
  2. Step 2: Convert to fraction form
    83,818.52/115,659.85 = 48,006.39/x
  3. Step 3: Cross multiply
    83,818.52x = 115,659.85 × 48,006.39
  4. Step 4: Simplify right side
    83,818.52x = 5,552,411,866.44
  5. Step 5: Solve for x
    x = 5,552,411,866.44/83,818.52
  6. Step 6: Final answer
    x = 66,243.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.