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Finding the Fourth Proportional to 52,886.70, 72,991.17 and 32,750.10

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Solution

The fourth proportional to 52,886.70, 72,991.17 and 32,750.10 is: 45,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,886.70 : 72,991.17 = 32,750.10 : x
  2. Step 2: Convert to fraction form
    52,886.70/72,991.17 = 32,750.10/x
  3. Step 3: Cross multiply
    52,886.70x = 72,991.17 × 32,750.10
  4. Step 4: Simplify right side
    52,886.70x = 2,390,468,116.62
  5. Step 5: Solve for x
    x = 2,390,468,116.62/52,886.70
  6. Step 6: Final answer
    x = 45,199.80

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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.