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Finding the Fourth Proportional to 57,801.48, 86,700.96 and 26,636.76

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Solution

The fourth proportional to 57,801.48, 86,700.96 and 26,636.76 is: 39,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,801.48 : 86,700.96 = 26,636.76 : x
  2. Step 2: Convert to fraction form
    57,801.48/86,700.96 = 26,636.76/x
  3. Step 3: Cross multiply
    57,801.48x = 86,700.96 × 26,636.76
  4. Step 4: Simplify right side
    57,801.48x = 2,309,432,663.29
  5. Step 5: Solve for x
    x = 2,309,432,663.29/57,801.48
  6. Step 6: Final answer
    x = 39,954.56

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1.5x scale

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.