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Finding the Fourth Proportional to 72,391.67, 108,560.80 and 24,994.65

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Solution

The fourth proportional to 72,391.67, 108,560.80 and 24,994.65 is: 37,482.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,391.67 : 108,560.80 = 24,994.65 : x
  2. Step 2: Convert to fraction form
    72,391.67/108,560.80 = 24,994.65/x
  3. Step 3: Cross multiply
    72,391.67x = 108,560.80 × 24,994.65
  4. Step 4: Simplify right side
    72,391.67x = 2,713,439,199.72
  5. Step 5: Solve for x
    x = 2,713,439,199.72/72,391.67
  6. Step 6: Final answer
    x = 37,482.75

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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.