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Finding the Fourth Proportional to 66,773.54, 92,151.88 and 38,481.06

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Solution

The fourth proportional to 66,773.54, 92,151.88 and 38,481.06 is: 53,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,773.54 : 92,151.88 = 38,481.06 : x
  2. Step 2: Convert to fraction form
    66,773.54/92,151.88 = 38,481.06/x
  3. Step 3: Cross multiply
    66,773.54x = 92,151.88 × 38,481.06
  4. Step 4: Simplify right side
    66,773.54x = 3,546,102,023.39
  5. Step 5: Solve for x
    x = 3,546,102,023.39/66,773.54
  6. Step 6: Final answer
    x = 53,106.40

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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.