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Finding the Fourth Proportional to 52,840.60, 79,253.70 and 15,904.60

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Solution

The fourth proportional to 52,840.60, 79,253.70 and 15,904.60 is: 23,854.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,840.60 : 79,253.70 = 15,904.60 : x
  2. Step 2: Convert to fraction form
    52,840.60/79,253.70 = 15,904.60/x
  3. Step 3: Cross multiply
    52,840.60x = 79,253.70 × 15,904.60
  4. Step 4: Simplify right side
    52,840.60x = 1,260,498,397.02
  5. Step 5: Solve for x
    x = 1,260,498,397.02/52,840.60
  6. Step 6: Final answer
    x = 23,854.73

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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.