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Finding the Fourth Proportional to 9,676,502.10, 14,514,753.15 and 8,631,407.70

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Solution

The fourth proportional to 9,676,502.10, 14,514,753.15 and 8,631,407.70 is: 12,947,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,676,502.10 : 14,514,753.15 = 8,631,407.70 : x
  2. Step 2: Convert to fraction form
    9,676,502.10/14,514,753.15 = 8,631,407.70/x
  3. Step 3: Cross multiply
    9,676,502.10x = 14,514,753.15 × 8,631,407.70
  4. Step 4: Simplify right side
    9,676,502.10x = 125,282,752,102,509.25
  5. Step 5: Solve for x
    x = 125,282,752,102,509.25/9,676,502.10
  6. Step 6: Final answer
    x = 12,947,111.55

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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.