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Finding the Fourth Proportional to 3,499,487.92, 4,829,293.29 and 1,889,855.92

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Solution

The fourth proportional to 3,499,487.92, 4,829,293.29 and 1,889,855.92 is: 2,608,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499,487.92 : 4,829,293.29 = 1,889,855.92 : x
  2. Step 2: Convert to fraction form
    3,499,487.92/4,829,293.29 = 1,889,855.92/x
  3. Step 3: Cross multiply
    3,499,487.92x = 4,829,293.29 × 1,889,855.92
  4. Step 4: Simplify right side
    3,499,487.92x = 9,126,668,513,522.78
  5. Step 5: Solve for x
    x = 9,126,668,513,522.78/3,499,487.92
  6. Step 6: Final answer
    x = 2,608,001.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.