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Finding the Fourth Proportional to 71,336.30, 107,004.45 and 36,344.30

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Solution

The fourth proportional to 71,336.30, 107,004.45 and 36,344.30 is: 54,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,336.30 : 107,004.45 = 36,344.30 : x
  2. Step 2: Convert to fraction form
    71,336.30/107,004.45 = 36,344.30/x
  3. Step 3: Cross multiply
    71,336.30x = 107,004.45 × 36,344.30
  4. Step 4: Simplify right side
    71,336.30x = 3,889,001,832.14
  5. Step 5: Solve for x
    x = 3,889,001,832.14/71,336.30
  6. Step 6: Final answer
    x = 54,516.45

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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.