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Finding the Fourth Proportional to 16,643.96, 24,948.18 and 8,307.56

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Solution

The fourth proportional to 16,643.96, 24,948.18 and 8,307.56 is: 12,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,643.96 : 24,948.18 = 8,307.56 : x
  2. Step 2: Convert to fraction form
    16,643.96/24,948.18 = 8,307.56/x
  3. Step 3: Cross multiply
    16,643.96x = 24,948.18 × 8,307.56
  4. Step 4: Simplify right side
    16,643.96x = 207,258,502.24
  5. Step 5: Solve for x
    x = 207,258,502.24/16,643.96
  6. Step 6: Final answer
    x = 12,452.48

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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.