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Finding the Fourth Proportional to 58,321.92, 80,464.14 and 32,823.12

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Solution

The fourth proportional to 58,321.92, 80,464.14 and 32,823.12 is: 45,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,321.92 : 80,464.14 = 32,823.12 : x
  2. Step 2: Convert to fraction form
    58,321.92/80,464.14 = 32,823.12/x
  3. Step 3: Cross multiply
    58,321.92x = 80,464.14 × 32,823.12
  4. Step 4: Simplify right side
    58,321.92x = 2,641,084,122.92
  5. Step 5: Solve for x
    x = 2,641,084,122.92/58,321.92
  6. Step 6: Final answer
    x = 45,284.59

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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.