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Finding the Fourth Proportional to 6,535,651.74, 9,786,681.45 and 4,003,630.62

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Solution

The fourth proportional to 6,535,651.74, 9,786,681.45 and 4,003,630.62 is: 5,995,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,535,651.74 : 9,786,681.45 = 4,003,630.62 : x
  2. Step 2: Convert to fraction form
    6,535,651.74/9,786,681.45 = 4,003,630.62/x
  3. Step 3: Cross multiply
    6,535,651.74x = 9,786,681.45 × 4,003,630.62
  4. Step 4: Simplify right side
    6,535,651.74x = 39,182,257,521,406
  5. Step 5: Solve for x
    x = 39,182,257,521,406/6,535,651.74
  6. Step 6: Final answer
    x = 5,995,156.88

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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.