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Finding the Fourth Proportional to 67,139.92, 92,652.42 and 36,924.76

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Solution

The fourth proportional to 67,139.92, 92,652.42 and 36,924.76 is: 50,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,139.92 : 92,652.42 = 36,924.76 : x
  2. Step 2: Convert to fraction form
    67,139.92/92,652.42 = 36,924.76/x
  3. Step 3: Cross multiply
    67,139.92x = 92,652.42 × 36,924.76
  4. Step 4: Simplify right side
    67,139.92x = 3,421,168,371.92
  5. Step 5: Solve for x
    x = 3,421,168,371.92/67,139.92
  6. Step 6: Final answer
    x = 50,955.80

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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.