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Finding the Fourth Proportional to 67,079, 92,530.50 and 41,884.76

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Solution

The fourth proportional to 67,079, 92,530.50 and 41,884.76 is: 57,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,079 : 92,530.50 = 41,884.76 : x
  2. Step 2: Convert to fraction form
    67,079/92,530.50 = 41,884.76/x
  3. Step 3: Cross multiply
    67,079x = 92,530.50 × 41,884.76
  4. Step 4: Simplify right side
    67,079x = 3,875,617,785.18
  5. Step 5: Solve for x
    x = 3,875,617,785.18/67,079
  6. Step 6: Final answer
    x = 57,776.92

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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.