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Finding the Fourth Proportional to 57,886.70, 86,808.45 and 22,819.10

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Solution

The fourth proportional to 57,886.70, 86,808.45 and 22,819.10 is: 34,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,886.70 : 86,808.45 = 22,819.10 : x
  2. Step 2: Convert to fraction form
    57,886.70/86,808.45 = 22,819.10/x
  3. Step 3: Cross multiply
    57,886.70x = 86,808.45 × 22,819.10
  4. Step 4: Simplify right side
    57,886.70x = 1,980,890,701.40
  5. Step 5: Solve for x
    x = 1,980,890,701.40/57,886.70
  6. Step 6: Final answer
    x = 34,220.14

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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.