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Finding the Fourth Proportional to 67,323.74, 92,908.77 and 38,648.66

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Solution

The fourth proportional to 67,323.74, 92,908.77 and 38,648.66 is: 53,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,323.74 : 92,908.77 = 38,648.66 : x
  2. Step 2: Convert to fraction form
    67,323.74/92,908.77 = 38,648.66/x
  3. Step 3: Cross multiply
    67,323.74x = 92,908.77 × 38,648.66
  4. Step 4: Simplify right side
    67,323.74x = 3,590,799,462.75
  5. Step 5: Solve for x
    x = 3,590,799,462.75/67,323.74
  6. Step 6: Final answer
    x = 53,336.30

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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.