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Finding the Fourth Proportional to 37,157.87, 55,736.65 and 13,459.87

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Solution

The fourth proportional to 37,157.87, 55,736.65 and 13,459.87 is: 20,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,157.87 : 55,736.65 = 13,459.87 : x
  2. Step 2: Convert to fraction form
    37,157.87/55,736.65 = 13,459.87/x
  3. Step 3: Cross multiply
    37,157.87x = 55,736.65 × 13,459.87
  4. Step 4: Simplify right side
    37,157.87x = 750,207,767.73
  5. Step 5: Solve for x
    x = 750,207,767.73/37,157.87
  6. Step 6: Final answer
    x = 20,189.74

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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.