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Finding the Fourth Proportional to 12,259.98, 18,392.70 and 4,468.79

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Solution

The fourth proportional to 12,259.98, 18,392.70 and 4,468.79 is: 6,704.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.98 : 18,392.70 = 4,468.79 : x
  2. Step 2: Convert to fraction form
    12,259.98/18,392.70 = 4,468.79/x
  3. Step 3: Cross multiply
    12,259.98x = 18,392.70 × 4,468.79
  4. Step 4: Simplify right side
    12,259.98x = 82,193,113.83
  5. Step 5: Solve for x
    x = 82,193,113.83/12,259.98
  6. Step 6: Final answer
    x = 6,704.18

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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.