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Finding the Fourth Proportional to 12,463.59, 18,674.50 and 8,759.19

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Solution

The fourth proportional to 12,463.59, 18,674.50 and 8,759.19 is: 13,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.59 : 18,674.50 = 8,759.19 : x
  2. Step 2: Convert to fraction form
    12,463.59/18,674.50 = 8,759.19/x
  3. Step 3: Cross multiply
    12,463.59x = 18,674.50 × 8,759.19
  4. Step 4: Simplify right side
    12,463.59x = 163,573,539.97
  5. Step 5: Solve for x
    x = 163,573,539.97/12,463.59
  6. Step 6: Final answer
    x = 13,124.11

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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.