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Finding the Fourth Proportional to 16,660.93, 24,978.91 and 10,085.53

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Solution

The fourth proportional to 16,660.93, 24,978.91 and 10,085.53 is: 15,120.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.93 : 24,978.91 = 10,085.53 : x
  2. Step 2: Convert to fraction form
    16,660.93/24,978.91 = 10,085.53/x
  3. Step 3: Cross multiply
    16,660.93x = 24,978.91 × 10,085.53
  4. Step 4: Simplify right side
    16,660.93x = 251,925,546.17
  5. Step 5: Solve for x
    x = 251,925,546.17/16,660.93
  6. Step 6: Final answer
    x = 15,120.74

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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.