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Finding the Fourth Proportional to 57,868.93, 79,860.63 and 32,374.45

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Solution

The fourth proportional to 57,868.93, 79,860.63 and 32,374.45 is: 44,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,868.93 : 79,860.63 = 32,374.45 : x
  2. Step 2: Convert to fraction form
    57,868.93/79,860.63 = 32,374.45/x
  3. Step 3: Cross multiply
    57,868.93x = 79,860.63 × 32,374.45
  4. Step 4: Simplify right side
    57,868.93x = 2,585,443,972.90
  5. Step 5: Solve for x
    x = 2,585,443,972.90/57,868.93
  6. Step 6: Final answer
    x = 44,677.58

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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.