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Finding the Fourth Proportional to 8,866,972.48, 13,289,675.56 and 6,274,024.30

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Solution

The fourth proportional to 8,866,972.48, 13,289,675.56 and 6,274,024.30 is: 9,403,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866,972.48 : 13,289,675.56 = 6,274,024.30 : x
  2. Step 2: Convert to fraction form
    8,866,972.48/13,289,675.56 = 6,274,024.30/x
  3. Step 3: Cross multiply
    8,866,972.48x = 13,289,675.56 × 6,274,024.30
  4. Step 4: Simplify right side
    8,866,972.48x = 83,379,747,411,003.30
  5. Step 5: Solve for x
    x = 83,379,747,411,003.30/8,866,972.48
  6. Step 6: Final answer
    x = 9,403,406.59

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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.