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Finding the Fourth Proportional to 71,609.56, 107,312.50 and 52,741.21

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Solution

The fourth proportional to 71,609.56, 107,312.50 and 52,741.21 is: 79,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,609.56 : 107,312.50 = 52,741.21 : x
  2. Step 2: Convert to fraction form
    71,609.56/107,312.50 = 52,741.21/x
  3. Step 3: Cross multiply
    71,609.56x = 107,312.50 × 52,741.21
  4. Step 4: Simplify right side
    71,609.56x = 5,659,791,586.79
  5. Step 5: Solve for x
    x = 5,659,791,586.79/71,609.56
  6. Step 6: Final answer
    x = 79,036.82

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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.