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Finding the Fourth Proportional to 57,848.60, 86,801.70 and 32,907.80

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Solution

The fourth proportional to 57,848.60, 86,801.70 and 32,907.80 is: 49,378.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,848.60 : 86,801.70 = 32,907.80 : x
  2. Step 2: Convert to fraction form
    57,848.60/86,801.70 = 32,907.80/x
  3. Step 3: Cross multiply
    57,848.60x = 86,801.70 × 32,907.80
  4. Step 4: Simplify right side
    57,848.60x = 2,856,452,983.26
  5. Step 5: Solve for x
    x = 2,856,452,983.26/57,848.60
  6. Step 6: Final answer
    x = 49,378.08

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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.