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Finding the Fourth Proportional to 5,398,922.64, 7,450,601.94 and 3,223,655.76

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Solution

The fourth proportional to 5,398,922.64, 7,450,601.94 and 3,223,655.76 is: 4,448,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398,922.64 : 7,450,601.94 = 3,223,655.76 : x
  2. Step 2: Convert to fraction form
    5,398,922.64/7,450,601.94 = 3,223,655.76/x
  3. Step 3: Cross multiply
    5,398,922.64x = 7,450,601.94 × 3,223,655.76
  4. Step 4: Simplify right side
    5,398,922.64x = 24,018,175,859,348.18
  5. Step 5: Solve for x
    x = 24,018,175,859,348.18/5,398,922.64
  6. Step 6: Final answer
    x = 4,448,697.91

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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.