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Finding the Fourth Proportional to 9,368.22, 14,114.78 and 8,479.82

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Solution

The fourth proportional to 9,368.22, 14,114.78 and 8,479.82 is: 12,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.22 : 14,114.78 = 8,479.82 : x
  2. Step 2: Convert to fraction form
    9,368.22/14,114.78 = 8,479.82/x
  3. Step 3: Cross multiply
    9,368.22x = 14,114.78 × 8,479.82
  4. Step 4: Simplify right side
    9,368.22x = 119,690,793.74
  5. Step 5: Solve for x
    x = 119,690,793.74/9,368.22
  6. Step 6: Final answer
    x = 12,776.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.