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Finding the Fourth Proportional to 7,223,650.32, 9,968,255.88 and 4,125,560.64

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Solution

The fourth proportional to 7,223,650.32, 9,968,255.88 and 4,125,560.64 is: 5,693,055.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223,650.32 : 9,968,255.88 = 4,125,560.64 : x
  2. Step 2: Convert to fraction form
    7,223,650.32/9,968,255.88 = 4,125,560.64/x
  3. Step 3: Cross multiply
    7,223,650.32x = 9,968,255.88 × 4,125,560.64
  4. Step 4: Simplify right side
    7,223,650.32x = 41,124,644,107,976.57
  5. Step 5: Solve for x
    x = 41,124,644,107,976.57/7,223,650.32
  6. Step 6: Final answer
    x = 5,693,055.77

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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.