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Finding the Fourth Proportional to 62,189.49, 85,823.51 and 35,331.51

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Solution

The fourth proportional to 62,189.49, 85,823.51 and 35,331.51 is: 48,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,189.49 : 85,823.51 = 35,331.51 : x
  2. Step 2: Convert to fraction form
    62,189.49/85,823.51 = 35,331.51/x
  3. Step 3: Cross multiply
    62,189.49x = 85,823.51 × 35,331.51
  4. Step 4: Simplify right side
    62,189.49x = 3,032,274,201.80
  5. Step 5: Solve for x
    x = 3,032,274,201.80/62,189.49
  6. Step 6: Final answer
    x = 48,758.63

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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.