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Finding the Fourth Proportional to 62,779.73, 86,650.97 and 35,937.74

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Solution

The fourth proportional to 62,779.73, 86,650.97 and 35,937.74 is: 49,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,779.73 : 86,650.97 = 35,937.74 : x
  2. Step 2: Convert to fraction form
    62,779.73/86,650.97 = 35,937.74/x
  3. Step 3: Cross multiply
    62,779.73x = 86,650.97 × 35,937.74
  4. Step 4: Simplify right side
    62,779.73x = 3,114,040,067.55
  5. Step 5: Solve for x
    x = 3,114,040,067.55/62,779.73
  6. Step 6: Final answer
    x = 49,602.64

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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.