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Finding the Fourth Proportional to 42,201.76, 63,324.24 and 17,260.24

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Solution

The fourth proportional to 42,201.76, 63,324.24 and 17,260.24 is: 25,899.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,201.76 : 63,324.24 = 17,260.24 : x
  2. Step 2: Convert to fraction form
    42,201.76/63,324.24 = 17,260.24/x
  3. Step 3: Cross multiply
    42,201.76x = 63,324.24 × 17,260.24
  4. Step 4: Simplify right side
    42,201.76x = 1,092,991,580.22
  5. Step 5: Solve for x
    x = 1,092,991,580.22/42,201.76
  6. Step 6: Final answer
    x = 25,899.19

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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.