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Finding the Fourth Proportional to 57,951.96, 86,927.88 and 18,512.10

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Solution

The fourth proportional to 57,951.96, 86,927.88 and 18,512.10 is: 27,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,951.96 : 86,927.88 = 18,512.10 : x
  2. Step 2: Convert to fraction form
    57,951.96/86,927.88 = 18,512.10/x
  3. Step 3: Cross multiply
    57,951.96x = 86,927.88 × 18,512.10
  4. Step 4: Simplify right side
    57,951.96x = 1,609,217,607.35
  5. Step 5: Solve for x
    x = 1,609,217,607.35/57,951.96
  6. Step 6: Final answer
    x = 27,768.13

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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.