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Finding the Fourth Proportional to 66,738.92, 92,110.08 and 38,058.65

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Solution

The fourth proportional to 66,738.92, 92,110.08 and 38,058.65 is: 52,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,738.92 : 92,110.08 = 38,058.65 : x
  2. Step 2: Convert to fraction form
    66,738.92/92,110.08 = 38,058.65/x
  3. Step 3: Cross multiply
    66,738.92x = 92,110.08 × 38,058.65
  4. Step 4: Simplify right side
    66,738.92x = 3,505,585,296.19
  5. Step 5: Solve for x
    x = 3,505,585,296.19/66,738.92
  6. Step 6: Final answer
    x = 52,526.85

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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.