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Finding the Fourth Proportional to 57,007.76, 85,400.91 and 27,446.34

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Solution

The fourth proportional to 57,007.76, 85,400.91 and 27,446.34 is: 41,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,007.76 : 85,400.91 = 27,446.34 : x
  2. Step 2: Convert to fraction form
    57,007.76/85,400.91 = 27,446.34/x
  3. Step 3: Cross multiply
    57,007.76x = 85,400.91 × 27,446.34
  4. Step 4: Simplify right side
    57,007.76x = 2,343,942,412.17
  5. Step 5: Solve for x
    x = 2,343,942,412.17/57,007.76
  6. Step 6: Final answer
    x = 41,116.20

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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.