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Finding the Fourth Proportional to 23,652.16, 32,640.22 and 13,042.20

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Solution

The fourth proportional to 23,652.16, 32,640.22 and 13,042.20 is: 17,998.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,652.16 : 32,640.22 = 13,042.20 : x
  2. Step 2: Convert to fraction form
    23,652.16/32,640.22 = 13,042.20/x
  3. Step 3: Cross multiply
    23,652.16x = 32,640.22 × 13,042.20
  4. Step 4: Simplify right side
    23,652.16x = 425,700,277.28
  5. Step 5: Solve for x
    x = 425,700,277.28/23,652.16
  6. Step 6: Final answer
    x = 17,998.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.