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Finding the Fourth Proportional to 5,658,361.52, 8,487,458.28 and 1,398,529.52

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Solution

The fourth proportional to 5,658,361.52, 8,487,458.28 and 1,398,529.52 is: 2,097,773.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658,361.52 : 8,487,458.28 = 1,398,529.52 : x
  2. Step 2: Convert to fraction form
    5,658,361.52/8,487,458.28 = 1,398,529.52/x
  3. Step 3: Cross multiply
    5,658,361.52x = 8,487,458.28 × 1,398,529.52
  4. Step 4: Simplify right side
    5,658,361.52x = 11,869,960,954,348.43
  5. Step 5: Solve for x
    x = 11,869,960,954,348.43/5,658,361.52
  6. Step 6: Final answer
    x = 2,097,773.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.