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Finding the Fourth Proportional to 61,648.84, 85,079.90 and 34,793.70

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Solution

The fourth proportional to 61,648.84, 85,079.90 and 34,793.70 is: 48,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,648.84 : 85,079.90 = 34,793.70 : x
  2. Step 2: Convert to fraction form
    61,648.84/85,079.90 = 34,793.70/x
  3. Step 3: Cross multiply
    61,648.84x = 85,079.90 × 34,793.70
  4. Step 4: Simplify right side
    61,648.84x = 2,960,244,516.63
  5. Step 5: Solve for x
    x = 2,960,244,516.63/61,648.84
  6. Step 6: Final answer
    x = 48,017.85

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1.5x scale

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.