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Finding the Fourth Proportional to 67,223.70, 92,758.32 and 38,923.92

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Solution

The fourth proportional to 67,223.70, 92,758.32 and 38,923.92 is: 53,709.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,223.70 : 92,758.32 = 38,923.92 : x
  2. Step 2: Convert to fraction form
    67,223.70/92,758.32 = 38,923.92/x
  3. Step 3: Cross multiply
    67,223.70x = 92,758.32 × 38,923.92
  4. Step 4: Simplify right side
    67,223.70x = 3,610,517,427.01
  5. Step 5: Solve for x
    x = 3,610,517,427.01/67,223.70
  6. Step 6: Final answer
    x = 53,709.00

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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.