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Finding the Fourth Proportional to 58,460.92, 80,299.22 and 57,340.16

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Solution

The fourth proportional to 58,460.92, 80,299.22 and 57,340.16 is: 78,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,460.92 : 80,299.22 = 57,340.16 : x
  2. Step 2: Convert to fraction form
    58,460.92/80,299.22 = 57,340.16/x
  3. Step 3: Cross multiply
    58,460.92x = 80,299.22 × 57,340.16
  4. Step 4: Simplify right side
    58,460.92x = 4,604,370,122.68
  5. Step 5: Solve for x
    x = 4,604,370,122.68/58,460.92
  6. Step 6: Final answer
    x = 78,759.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.