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Finding the Fourth Proportional to 83,637, 125,498.52 and 55,576.44

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Solution

The fourth proportional to 83,637, 125,498.52 and 55,576.44 is: 83,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,637 : 125,498.52 = 55,576.44 : x
  2. Step 2: Convert to fraction form
    83,637/125,498.52 = 55,576.44/x
  3. Step 3: Cross multiply
    83,637x = 125,498.52 × 55,576.44
  4. Step 4: Simplify right side
    83,637x = 6,974,760,966.87
  5. Step 5: Solve for x
    x = 6,974,760,966.87/83,637
  6. Step 6: Final answer
    x = 83,393.25

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1.5x scale

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.