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Finding the Fourth Proportional to 16,659.61, 24,981.21 and 6,122.18

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Solution

The fourth proportional to 16,659.61, 24,981.21 and 6,122.18 is: 9,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,659.61 : 24,981.21 = 6,122.18 : x
  2. Step 2: Convert to fraction form
    16,659.61/24,981.21 = 6,122.18/x
  3. Step 3: Cross multiply
    16,659.61x = 24,981.21 × 6,122.18
  4. Step 4: Simplify right side
    16,659.61x = 152,939,526.69
  5. Step 5: Solve for x
    x = 152,939,526.69/16,659.61
  6. Step 6: Final answer
    x = 9,180.26

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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.