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Finding the Fourth Proportional to 16,656.67, 24,981.36 and 9,621.82

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Solution

The fourth proportional to 16,656.67, 24,981.36 and 9,621.82 is: 14,430.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,656.67 : 24,981.36 = 9,621.82 : x
  2. Step 2: Convert to fraction form
    16,656.67/24,981.36 = 9,621.82/x
  3. Step 3: Cross multiply
    16,656.67x = 24,981.36 × 9,621.82
  4. Step 4: Simplify right side
    16,656.67x = 240,366,149.28
  5. Step 5: Solve for x
    x = 240,366,149.28/16,656.67
  6. Step 6: Final answer
    x = 14,430.62

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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.