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Finding the Fourth Proportional to 50,482.80, 75,727.80 and 15,422.40

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Solution

The fourth proportional to 50,482.80, 75,727.80 and 15,422.40 is: 23,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,482.80 : 75,727.80 = 15,422.40 : x
  2. Step 2: Convert to fraction form
    50,482.80/75,727.80 = 15,422.40/x
  3. Step 3: Cross multiply
    50,482.80x = 75,727.80 × 15,422.40
  4. Step 4: Simplify right side
    50,482.80x = 1,167,904,422.72
  5. Step 5: Solve for x
    x = 1,167,904,422.72/50,482.80
  6. Step 6: Final answer
    x = 23,134.70

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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.