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Finding the Fourth Proportional to 58,083.60, 87,010.20 and 34,640.40

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Solution

The fourth proportional to 58,083.60, 87,010.20 and 34,640.40 is: 51,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,083.60 : 87,010.20 = 34,640.40 : x
  2. Step 2: Convert to fraction form
    58,083.60/87,010.20 = 34,640.40/x
  3. Step 3: Cross multiply
    58,083.60x = 87,010.20 × 34,640.40
  4. Step 4: Simplify right side
    58,083.60x = 3,014,068,132.08
  5. Step 5: Solve for x
    x = 3,014,068,132.08/58,083.60
  6. Step 6: Final answer
    x = 51,891.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.