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Finding the Fourth Proportional to 62,390.96, 86,103.68 and 35,173.76

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Solution

The fourth proportional to 62,390.96, 86,103.68 and 35,173.76 is: 48,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,390.96 : 86,103.68 = 35,173.76 : x
  2. Step 2: Convert to fraction form
    62,390.96/86,103.68 = 35,173.76/x
  3. Step 3: Cross multiply
    62,390.96x = 86,103.68 × 35,173.76
  4. Step 4: Simplify right side
    62,390.96x = 3,028,590,175.44
  5. Step 5: Solve for x
    x = 3,028,590,175.44/62,390.96
  6. Step 6: Final answer
    x = 48,542.13

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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.