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Finding the Fourth Proportional to 16,299.76, 24,430.08 and 8,406.04

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Solution

The fourth proportional to 16,299.76, 24,430.08 and 8,406.04 is: 12,598.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,299.76 : 24,430.08 = 8,406.04 : x
  2. Step 2: Convert to fraction form
    16,299.76/24,430.08 = 8,406.04/x
  3. Step 3: Cross multiply
    16,299.76x = 24,430.08 × 8,406.04
  4. Step 4: Simplify right side
    16,299.76x = 205,360,229.68
  5. Step 5: Solve for x
    x = 205,360,229.68/16,299.76
  6. Step 6: Final answer
    x = 12,598.97

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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.