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Finding the Fourth Proportional to 48,385.60, 72,559.68 and 18,799.54

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Solution

The fourth proportional to 48,385.60, 72,559.68 and 18,799.54 is: 28,192.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385.60 : 72,559.68 = 18,799.54 : x
  2. Step 2: Convert to fraction form
    48,385.60/72,559.68 = 18,799.54/x
  3. Step 3: Cross multiply
    48,385.60x = 72,559.68 × 18,799.54
  4. Step 4: Simplify right side
    48,385.60x = 1,364,088,606.55
  5. Step 5: Solve for x
    x = 1,364,088,606.55/48,385.60
  6. Step 6: Final answer
    x = 28,192.04

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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.