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Finding the Fourth Proportional to 7,819,337.88, 11,725,326.18 and 3,029,270.04

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Solution

The fourth proportional to 7,819,337.88, 11,725,326.18 and 3,029,270.04 is: 4,542,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819,337.88 : 11,725,326.18 = 3,029,270.04 : x
  2. Step 2: Convert to fraction form
    7,819,337.88/11,725,326.18 = 3,029,270.04/x
  3. Step 3: Cross multiply
    7,819,337.88x = 11,725,326.18 × 3,029,270.04
  4. Step 4: Simplify right side
    7,819,337.88x = 35,519,179,306,301.65
  5. Step 5: Solve for x
    x = 35,519,179,306,301.65/7,819,337.88
  6. Step 6: Final answer
    x = 4,542,479.15

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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.