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Finding the Fourth Proportional to 52,724.97, 79,454.24 and 47,728.86

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Solution

The fourth proportional to 52,724.97, 79,454.24 and 47,728.86 is: 71,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,724.97 : 79,454.24 = 47,728.86 : x
  2. Step 2: Convert to fraction form
    52,724.97/79,454.24 = 47,728.86/x
  3. Step 3: Cross multiply
    52,724.97x = 79,454.24 × 47,728.86
  4. Step 4: Simplify right side
    52,724.97x = 3,792,260,297.37
  5. Step 5: Solve for x
    x = 3,792,260,297.37/52,724.97
  6. Step 6: Final answer
    x = 71,925.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.