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Finding the Fourth Proportional to 67,010.70, 100,516.05 and 48,348.30

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Solution

The fourth proportional to 67,010.70, 100,516.05 and 48,348.30 is: 72,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,010.70 : 100,516.05 = 48,348.30 : x
  2. Step 2: Convert to fraction form
    67,010.70/100,516.05 = 48,348.30/x
  3. Step 3: Cross multiply
    67,010.70x = 100,516.05 × 48,348.30
  4. Step 4: Simplify right side
    67,010.70x = 4,859,780,140.22
  5. Step 5: Solve for x
    x = 4,859,780,140.22/67,010.70
  6. Step 6: Final answer
    x = 72,522.45

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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.