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Finding the Fourth Proportional to 52,744.44, 72,787.35 and 28,871.25

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Solution

The fourth proportional to 52,744.44, 72,787.35 and 28,871.25 is: 39,842.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,744.44 : 72,787.35 = 28,871.25 : x
  2. Step 2: Convert to fraction form
    52,744.44/72,787.35 = 28,871.25/x
  3. Step 3: Cross multiply
    52,744.44x = 72,787.35 × 28,871.25
  4. Step 4: Simplify right side
    52,744.44x = 2,101,461,778.69
  5. Step 5: Solve for x
    x = 2,101,461,778.69/52,744.44
  6. Step 6: Final answer
    x = 39,842.34

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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.