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Finding the Fourth Proportional to 16,660.51, 24,978.42 and 10,085.14

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Solution

The fourth proportional to 16,660.51, 24,978.42 and 10,085.14 is: 15,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.51 : 24,978.42 = 10,085.14 : x
  2. Step 2: Convert to fraction form
    16,660.51/24,978.42 = 10,085.14/x
  3. Step 3: Cross multiply
    16,660.51x = 24,978.42 × 10,085.14
  4. Step 4: Simplify right side
    16,660.51x = 251,910,862.68
  5. Step 5: Solve for x
    x = 251,910,862.68/16,660.51
  6. Step 6: Final answer
    x = 15,120.24

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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.