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Finding the Fourth Proportional to 6,391,401.48, 9,587,085.48 and 5,264,943.39

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Solution

The fourth proportional to 6,391,401.48, 9,587,085.48 and 5,264,943.39 is: 7,897,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,401.48 : 9,587,085.48 = 5,264,943.39 : x
  2. Step 2: Convert to fraction form
    6,391,401.48/9,587,085.48 = 5,264,943.39/x
  3. Step 3: Cross multiply
    6,391,401.48x = 9,587,085.48 × 5,264,943.39
  4. Step 4: Simplify right side
    6,391,401.48x = 50,475,462,327,290.98
  5. Step 5: Solve for x
    x = 50,475,462,327,290.98/6,391,401.48
  6. Step 6: Final answer
    x = 7,897,401.30

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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.