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Finding the Fourth Proportional to 6,145,326.70, 8,587,514.15 and 6,145,326.70

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Solution

The fourth proportional to 6,145,326.70, 8,587,514.15 and 6,145,326.70 is: 8,587,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,326.70 : 8,587,514.15 = 6,145,326.70 : x
  2. Step 2: Convert to fraction form
    6,145,326.70/8,587,514.15 = 6,145,326.70/x
  3. Step 3: Cross multiply
    6,145,326.70x = 8,587,514.15 × 6,145,326.70
  4. Step 4: Simplify right side
    6,145,326.70x = 52,773,079,992,622.81
  5. Step 5: Solve for x
    x = 52,773,079,992,622.81/6,145,326.70
  6. Step 6: Final answer
    x = 8,587,514.15

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.