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Finding the Fourth Proportional to 67,289.76, 92,712.96 and 44,894.88

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Solution

The fourth proportional to 67,289.76, 92,712.96 and 44,894.88 is: 61,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,289.76 : 92,712.96 = 44,894.88 : x
  2. Step 2: Convert to fraction form
    67,289.76/92,712.96 = 44,894.88/x
  3. Step 3: Cross multiply
    67,289.76x = 92,712.96 × 44,894.88
  4. Step 4: Simplify right side
    67,289.76x = 4,162,337,213.64
  5. Step 5: Solve for x
    x = 4,162,337,213.64/67,289.76
  6. Step 6: Final answer
    x = 61,856.92

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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.