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Finding the Fourth Proportional to 16,603.20, 24,904.80 and 8,809.92

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Solution

The fourth proportional to 16,603.20, 24,904.80 and 8,809.92 is: 13,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,603.20 : 24,904.80 = 8,809.92 : x
  2. Step 2: Convert to fraction form
    16,603.20/24,904.80 = 8,809.92/x
  3. Step 3: Cross multiply
    16,603.20x = 24,904.80 × 8,809.92
  4. Step 4: Simplify right side
    16,603.20x = 219,409,295.62
  5. Step 5: Solve for x
    x = 219,409,295.62/16,603.20
  6. Step 6: Final answer
    x = 13,214.88

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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.