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Finding the Fourth Proportional to 57,049.72, 85,582.78 and 17,610.21

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Solution

The fourth proportional to 57,049.72, 85,582.78 and 17,610.21 is: 26,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,049.72 : 85,582.78 = 17,610.21 : x
  2. Step 2: Convert to fraction form
    57,049.72/85,582.78 = 17,610.21/x
  3. Step 3: Cross multiply
    57,049.72x = 85,582.78 × 17,610.21
  4. Step 4: Simplify right side
    57,049.72x = 1,507,130,684.16
  5. Step 5: Solve for x
    x = 1,507,130,684.16/57,049.72
  6. Step 6: Final answer
    x = 26,417.85

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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.