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Finding the Fourth Proportional to 57,061.76, 85,600.68 and 17,622.08

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Solution

The fourth proportional to 57,061.76, 85,600.68 and 17,622.08 is: 26,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,061.76 : 85,600.68 = 17,622.08 : x
  2. Step 2: Convert to fraction form
    57,061.76/85,600.68 = 17,622.08/x
  3. Step 3: Cross multiply
    57,061.76x = 85,600.68 × 17,622.08
  4. Step 4: Simplify right side
    57,061.76x = 1,508,462,031.01
  5. Step 5: Solve for x
    x = 1,508,462,031.01/57,061.76
  6. Step 6: Final answer
    x = 26,435.60

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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.