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Finding the Fourth Proportional to 67,349.88, 92,936.49 and 39,052.50

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Solution

The fourth proportional to 67,349.88, 92,936.49 and 39,052.50 is: 53,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,349.88 : 92,936.49 = 39,052.50 : x
  2. Step 2: Convert to fraction form
    67,349.88/92,936.49 = 39,052.50/x
  3. Step 3: Cross multiply
    67,349.88x = 92,936.49 × 39,052.50
  4. Step 4: Simplify right side
    67,349.88x = 3,629,402,275.73
  5. Step 5: Solve for x
    x = 3,629,402,275.73/67,349.88
  6. Step 6: Final answer
    x = 53,888.77

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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.