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Finding the Fourth Proportional to 5,644,176.62, 7,788,978.52 and 3,065,836.46

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Solution

The fourth proportional to 5,644,176.62, 7,788,978.52 and 3,065,836.46 is: 4,230,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644,176.62 : 7,788,978.52 = 3,065,836.46 : x
  2. Step 2: Convert to fraction form
    5,644,176.62/7,788,978.52 = 3,065,836.46/x
  3. Step 3: Cross multiply
    5,644,176.62x = 7,788,978.52 × 3,065,836.46
  4. Step 4: Simplify right side
    5,644,176.62x = 23,879,734,332,772.84
  5. Step 5: Solve for x
    x = 23,879,734,332,772.84/5,644,176.62
  6. Step 6: Final answer
    x = 4,230,862.35

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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.