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Finding the Fourth Proportional to 8,328,010.90, 11,668,663.10 and 8,328,010.90

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Solution

The fourth proportional to 8,328,010.90, 11,668,663.10 and 8,328,010.90 is: 11,668,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328,010.90 : 11,668,663.10 = 8,328,010.90 : x
  2. Step 2: Convert to fraction form
    8,328,010.90/11,668,663.10 = 8,328,010.90/x
  3. Step 3: Cross multiply
    8,328,010.90x = 11,668,663.10 × 8,328,010.90
  4. Step 4: Simplify right side
    8,328,010.90x = 97,176,753,485,227.80
  5. Step 5: Solve for x
    x = 97,176,753,485,227.80/8,328,010.90
  6. Step 6: Final answer
    x = 11,668,663.10

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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.