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Finding the Fourth Proportional to 67,249, 92,801.80 and 38,573.49

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Solution

The fourth proportional to 67,249, 92,801.80 and 38,573.49 is: 53,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,249 : 92,801.80 = 38,573.49 : x
  2. Step 2: Convert to fraction form
    67,249/92,801.80 = 38,573.49/x
  3. Step 3: Cross multiply
    67,249x = 92,801.80 × 38,573.49
  4. Step 4: Simplify right side
    67,249x = 3,579,689,304.28
  5. Step 5: Solve for x
    x = 3,579,689,304.28/67,249
  6. Step 6: Final answer
    x = 53,230.37

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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.