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Finding the Fourth Proportional to 71,313.08, 107,029.01 and 37,591.20

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Solution

The fourth proportional to 71,313.08, 107,029.01 and 37,591.20 is: 56,418.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,313.08 : 107,029.01 = 37,591.20 : x
  2. Step 2: Convert to fraction form
    71,313.08/107,029.01 = 37,591.20/x
  3. Step 3: Cross multiply
    71,313.08x = 107,029.01 × 37,591.20
  4. Step 4: Simplify right side
    71,313.08x = 4,023,348,732.76
  5. Step 5: Solve for x
    x = 4,023,348,732.76/71,313.08
  6. Step 6: Final answer
    x = 56,418.11

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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.