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Finding the Fourth Proportional to 6,609,502.72, 9,914,727.68 and 2,767,459.20

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Solution

The fourth proportional to 6,609,502.72, 9,914,727.68 and 2,767,459.20 is: 4,151,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609,502.72 : 9,914,727.68 = 2,767,459.20 : x
  2. Step 2: Convert to fraction form
    6,609,502.72/9,914,727.68 = 2,767,459.20/x
  3. Step 3: Cross multiply
    6,609,502.72x = 9,914,727.68 × 2,767,459.20
  4. Step 4: Simplify right side
    6,609,502.72x = 27,438,604,333,510.66
  5. Step 5: Solve for x
    x = 27,438,604,333,510.66/6,609,502.72
  6. Step 6: Final answer
    x = 4,151,387.10

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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.