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Finding the Fourth Proportional to 5,739,649.62, 7,920,417.48 and 3,564,146.22

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Solution

The fourth proportional to 5,739,649.62, 7,920,417.48 and 3,564,146.22 is: 4,918,336.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739,649.62 : 7,920,417.48 = 3,564,146.22 : x
  2. Step 2: Convert to fraction form
    5,739,649.62/7,920,417.48 = 3,564,146.22/x
  3. Step 3: Cross multiply
    5,739,649.62x = 7,920,417.48 × 3,564,146.22
  4. Step 4: Simplify right side
    5,739,649.62x = 28,229,526,022,163.93
  5. Step 5: Solve for x
    x = 28,229,526,022,163.93/5,739,649.62
  6. Step 6: Final answer
    x = 4,918,336.12

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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.