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Finding the Fourth Proportional to 62,309.25, 85,987.12 and 35,451.76

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Solution

The fourth proportional to 62,309.25, 85,987.12 and 35,451.76 is: 48,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,309.25 : 85,987.12 = 35,451.76 : x
  2. Step 2: Convert to fraction form
    62,309.25/85,987.12 = 35,451.76/x
  3. Step 3: Cross multiply
    62,309.25x = 85,987.12 × 35,451.76
  4. Step 4: Simplify right side
    62,309.25x = 3,048,395,007.61
  5. Step 5: Solve for x
    x = 3,048,395,007.61/62,309.25
  6. Step 6: Final answer
    x = 48,923.63

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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.