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Finding the Fourth Proportional to 8,868,711.90, 13,303,067.85 and 8,514,417.90

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Solution

The fourth proportional to 8,868,711.90, 13,303,067.85 and 8,514,417.90 is: 12,771,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868,711.90 : 13,303,067.85 = 8,514,417.90 : x
  2. Step 2: Convert to fraction form
    8,868,711.90/13,303,067.85 = 8,514,417.90/x
  3. Step 3: Cross multiply
    8,868,711.90x = 13,303,067.85 × 8,514,417.90
  4. Step 4: Simplify right side
    8,868,711.90x = 113,267,879,026,954.52
  5. Step 5: Solve for x
    x = 113,267,879,026,954.52/8,868,711.90
  6. Step 6: Final answer
    x = 12,771,626.85

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Similar ratio
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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.