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Finding the Fourth Proportional to 67,312.01, 92,894.96 and 38,640.96

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Solution

The fourth proportional to 67,312.01, 92,894.96 and 38,640.96 is: 53,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,312.01 : 92,894.96 = 38,640.96 : x
  2. Step 2: Convert to fraction form
    67,312.01/92,894.96 = 38,640.96/x
  3. Step 3: Cross multiply
    67,312.01x = 92,894.96 × 38,640.96
  4. Step 4: Simplify right side
    67,312.01x = 3,589,550,240.36
  5. Step 5: Solve for x
    x = 3,589,550,240.36/67,312.01
  6. Step 6: Final answer
    x = 53,327.04

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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.