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Finding the Fourth Proportional to 5,627,572.88, 7,766,057.52 and 3,049,251.68

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Solution

The fourth proportional to 5,627,572.88, 7,766,057.52 and 3,049,251.68 is: 4,207,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627,572.88 : 7,766,057.52 = 3,049,251.68 : x
  2. Step 2: Convert to fraction form
    5,627,572.88/7,766,057.52 = 3,049,251.68/x
  3. Step 3: Cross multiply
    5,627,572.88x = 7,766,057.52 × 3,049,251.68
  4. Step 4: Simplify right side
    5,627,572.88x = 23,680,663,939,836.63
  5. Step 5: Solve for x
    x = 23,680,663,939,836.63/5,627,572.88
  6. Step 6: Final answer
    x = 4,207,971.08

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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.