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Finding the Fourth Proportional to 48,385.32, 72,559.32 and 18,799.26

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Solution

The fourth proportional to 48,385.32, 72,559.32 and 18,799.26 is: 28,191.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385.32 : 72,559.32 = 18,799.26 : x
  2. Step 2: Convert to fraction form
    48,385.32/72,559.32 = 18,799.26/x
  3. Step 3: Cross multiply
    48,385.32x = 72,559.32 × 18,799.26
  4. Step 4: Simplify right side
    48,385.32x = 1,364,061,522.10
  5. Step 5: Solve for x
    x = 1,364,061,522.10/48,385.32
  6. Step 6: Final answer
    x = 28,191.64

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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.