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Finding the Fourth Proportional to 48,635.60, 72,953.40 and 27,861.20

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Solution

The fourth proportional to 48,635.60, 72,953.40 and 27,861.20 is: 41,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,635.60 : 72,953.40 = 27,861.20 : x
  2. Step 2: Convert to fraction form
    48,635.60/72,953.40 = 27,861.20/x
  3. Step 3: Cross multiply
    48,635.60x = 72,953.40 × 27,861.20
  4. Step 4: Simplify right side
    48,635.60x = 2,032,569,268.08
  5. Step 5: Solve for x
    x = 2,032,569,268.08/48,635.60
  6. Step 6: Final answer
    x = 41,791.80

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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.