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Finding the Fourth Proportional to 8,326.01, 12,488.99 and 3,946.55

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Solution

The fourth proportional to 8,326.01, 12,488.99 and 3,946.55 is: 5,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.01 : 12,488.99 = 3,946.55 : x
  2. Step 2: Convert to fraction form
    8,326.01/12,488.99 = 3,946.55/x
  3. Step 3: Cross multiply
    8,326.01x = 12,488.99 × 3,946.55
  4. Step 4: Simplify right side
    8,326.01x = 49,288,341.31
  5. Step 5: Solve for x
    x = 49,288,341.31/8,326.01
  6. Step 6: Final answer
    x = 5,919.80

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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.