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Finding the Fourth Proportional to 62,850.59, 86,734.14 and 34,558.10

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Solution

The fourth proportional to 62,850.59, 86,734.14 and 34,558.10 is: 47,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,850.59 : 86,734.14 = 34,558.10 : x
  2. Step 2: Convert to fraction form
    62,850.59/86,734.14 = 34,558.10/x
  3. Step 3: Cross multiply
    62,850.59x = 86,734.14 × 34,558.10
  4. Step 4: Simplify right side
    62,850.59x = 2,997,367,083.53
  5. Step 5: Solve for x
    x = 2,997,367,083.53/62,850.59
  6. Step 6: Final answer
    x = 47,690.36

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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.