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Finding the Fourth Proportional to 14,613,863.10, 21,920,794.65 and 7,895,399.10

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Solution

The fourth proportional to 14,613,863.10, 21,920,794.65 and 7,895,399.10 is: 11,843,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613,863.10 : 21,920,794.65 = 7,895,399.10 : x
  2. Step 2: Convert to fraction form
    14,613,863.10/21,920,794.65 = 7,895,399.10/x
  3. Step 3: Cross multiply
    14,613,863.10x = 21,920,794.65 × 7,895,399.10
  4. Step 4: Simplify right side
    14,613,863.10x = 173,073,422,350,894.78
  5. Step 5: Solve for x
    x = 173,073,422,350,894.78/14,613,863.10
  6. Step 6: Final answer
    x = 11,843,098.65

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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.