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Finding the Fourth Proportional to 6,484,553.48, 8,948,750.20 and 3,544,454.57

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Solution

The fourth proportional to 6,484,553.48, 8,948,750.20 and 3,544,454.57 is: 4,891,383.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484,553.48 : 8,948,750.20 = 3,544,454.57 : x
  2. Step 2: Convert to fraction form
    6,484,553.48/8,948,750.20 = 3,544,454.57/x
  3. Step 3: Cross multiply
    6,484,553.48x = 8,948,750.20 × 3,544,454.57
  4. Step 4: Simplify right side
    6,484,553.48x = 31,718,438,488,573.52
  5. Step 5: Solve for x
    x = 31,718,438,488,573.52/6,484,553.48
  6. Step 6: Final answer
    x = 4,891,383.59

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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.