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Finding the Fourth Proportional to 71,566.20, 107,349.30 and 36,501.30

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Solution

The fourth proportional to 71,566.20, 107,349.30 and 36,501.30 is: 54,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,566.20 : 107,349.30 = 36,501.30 : x
  2. Step 2: Convert to fraction form
    71,566.20/107,349.30 = 36,501.30/x
  3. Step 3: Cross multiply
    71,566.20x = 107,349.30 × 36,501.30
  4. Step 4: Simplify right side
    71,566.20x = 3,918,389,004.09
  5. Step 5: Solve for x
    x = 3,918,389,004.09/71,566.20
  6. Step 6: Final answer
    x = 54,751.95

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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.