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Finding the Fourth Proportional to 17,366.80, 26,050.20 and 8,618.80

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Solution

The fourth proportional to 17,366.80, 26,050.20 and 8,618.80 is: 12,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,366.80 : 26,050.20 = 8,618.80 : x
  2. Step 2: Convert to fraction form
    17,366.80/26,050.20 = 8,618.80/x
  3. Step 3: Cross multiply
    17,366.80x = 26,050.20 × 8,618.80
  4. Step 4: Simplify right side
    17,366.80x = 224,521,463.76
  5. Step 5: Solve for x
    x = 224,521,463.76/17,366.80
  6. Step 6: Final answer
    x = 12,928.20

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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.