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Finding the Fourth Proportional to 66,713.61, 92,064.43 and 36,498.39

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Solution

The fourth proportional to 66,713.61, 92,064.43 and 36,498.39 is: 50,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,713.61 : 92,064.43 = 36,498.39 : x
  2. Step 2: Convert to fraction form
    66,713.61/92,064.43 = 36,498.39/x
  3. Step 3: Cross multiply
    66,713.61x = 92,064.43 × 36,498.39
  4. Step 4: Simplify right side
    66,713.61x = 3,360,203,471.27
  5. Step 5: Solve for x
    x = 3,360,203,471.27/66,713.61
  6. Step 6: Final answer
    x = 50,367.59

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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.