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Finding the Fourth Proportional to 61,919.68, 85,454.48 and 35,066.92

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Solution

The fourth proportional to 61,919.68, 85,454.48 and 35,066.92 is: 48,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,919.68 : 85,454.48 = 35,066.92 : x
  2. Step 2: Convert to fraction form
    61,919.68/85,454.48 = 35,066.92/x
  3. Step 3: Cross multiply
    61,919.68x = 85,454.48 × 35,066.92
  4. Step 4: Simplify right side
    61,919.68x = 2,996,625,413.80
  5. Step 5: Solve for x
    x = 2,996,625,413.80/61,919.68
  6. Step 6: Final answer
    x = 48,395.36

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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.