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Finding the Fourth Proportional to 67,295.68, 92,868.04 and 39,017.76

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Solution

The fourth proportional to 67,295.68, 92,868.04 and 39,017.76 is: 53,844.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,295.68 : 92,868.04 = 39,017.76 : x
  2. Step 2: Convert to fraction form
    67,295.68/92,868.04 = 39,017.76/x
  3. Step 3: Cross multiply
    67,295.68x = 92,868.04 × 39,017.76
  4. Step 4: Simplify right side
    67,295.68x = 3,623,502,896.39
  5. Step 5: Solve for x
    x = 3,623,502,896.39/67,295.68
  6. Step 6: Final answer
    x = 53,844.51

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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.