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Finding the Fourth Proportional to 71,526.57, 107,289.90 and 24,779.45

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Solution

The fourth proportional to 71,526.57, 107,289.90 and 24,779.45 is: 37,169.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,526.57 : 107,289.90 = 24,779.45 : x
  2. Step 2: Convert to fraction form
    71,526.57/107,289.90 = 24,779.45/x
  3. Step 3: Cross multiply
    71,526.57x = 107,289.90 × 24,779.45
  4. Step 4: Simplify right side
    71,526.57x = 2,658,584,712.56
  5. Step 5: Solve for x
    x = 2,658,584,712.56/71,526.57
  6. Step 6: Final answer
    x = 37,169.19

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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.