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Finding the Fourth Proportional to 74,839.52, 103,282.80 and 44,616.80

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Solution

The fourth proportional to 74,839.52, 103,282.80 and 44,616.80 is: 61,573.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,839.52 : 103,282.80 = 44,616.80 : x
  2. Step 2: Convert to fraction form
    74,839.52/103,282.80 = 44,616.80/x
  3. Step 3: Cross multiply
    74,839.52x = 103,282.80 × 44,616.80
  4. Step 4: Simplify right side
    74,839.52x = 4,608,148,031.04
  5. Step 5: Solve for x
    x = 4,608,148,031.04/74,839.52
  6. Step 6: Final answer
    x = 61,573.73

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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.