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Finding the Fourth Proportional to 71,508.75, 107,263.19 and 36,473.01

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Solution

The fourth proportional to 71,508.75, 107,263.19 and 36,473.01 is: 54,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,508.75 : 107,263.19 = 36,473.01 : x
  2. Step 2: Convert to fraction form
    71,508.75/107,263.19 = 36,473.01/x
  3. Step 3: Cross multiply
    71,508.75x = 107,263.19 × 36,473.01
  4. Step 4: Simplify right side
    71,508.75x = 3,912,211,401.50
  5. Step 5: Solve for x
    x = 3,912,211,401.50/71,508.75
  6. Step 6: Final answer
    x = 54,709.55

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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.