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Finding the Fourth Proportional to 61,925.78, 85,454.81 and 35,067.72

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Solution

The fourth proportional to 61,925.78, 85,454.81 and 35,067.72 is: 48,391.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,925.78 : 85,454.81 = 35,067.72 : x
  2. Step 2: Convert to fraction form
    61,925.78/85,454.81 = 35,067.72/x
  3. Step 3: Cross multiply
    61,925.78x = 85,454.81 × 35,067.72
  4. Step 4: Simplify right side
    61,925.78x = 2,996,705,349.73
  5. Step 5: Solve for x
    x = 2,996,705,349.73/61,925.78
  6. Step 6: Final answer
    x = 48,391.89

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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.