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Finding the Fourth Proportional to 48,720.98, 67,197.71 and 33,638.87

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Solution

The fourth proportional to 48,720.98, 67,197.71 and 33,638.87 is: 46,395.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,720.98 : 67,197.71 = 33,638.87 : x
  2. Step 2: Convert to fraction form
    48,720.98/67,197.71 = 33,638.87/x
  3. Step 3: Cross multiply
    48,720.98x = 67,197.71 × 33,638.87
  4. Step 4: Simplify right side
    48,720.98x = 2,260,454,526.80
  5. Step 5: Solve for x
    x = 2,260,454,526.80/48,720.98
  6. Step 6: Final answer
    x = 46,395.92

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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.