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Finding the Fourth Proportional to 37,282.43, 55,925.40 and 10,987.40

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Solution

The fourth proportional to 37,282.43, 55,925.40 and 10,987.40 is: 16,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,282.43 : 55,925.40 = 10,987.40 : x
  2. Step 2: Convert to fraction form
    37,282.43/55,925.40 = 10,987.40/x
  3. Step 3: Cross multiply
    37,282.43x = 55,925.40 × 10,987.40
  4. Step 4: Simplify right side
    37,282.43x = 614,474,739.96
  5. Step 5: Solve for x
    x = 614,474,739.96/37,282.43
  6. Step 6: Final answer
    x = 16,481.62

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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.