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Finding the Fourth Proportional to 17,862.99, 24,652.31 and 9,906.76

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Solution

The fourth proportional to 17,862.99, 24,652.31 and 9,906.76 is: 13,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,862.99 : 24,652.31 = 9,906.76 : x
  2. Step 2: Convert to fraction form
    17,862.99/24,652.31 = 9,906.76/x
  3. Step 3: Cross multiply
    17,862.99x = 24,652.31 × 9,906.76
  4. Step 4: Simplify right side
    17,862.99x = 244,224,518.62
  5. Step 5: Solve for x
    x = 244,224,518.62/17,862.99
  6. Step 6: Final answer
    x = 13,672.10

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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.