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Finding the Fourth Proportional to 57,970.50, 80,000.91 and 32,821.62

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Solution

The fourth proportional to 57,970.50, 80,000.91 and 32,821.62 is: 45,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,970.50 : 80,000.91 = 32,821.62 : x
  2. Step 2: Convert to fraction form
    57,970.50/80,000.91 = 32,821.62/x
  3. Step 3: Cross multiply
    57,970.50x = 80,000.91 × 32,821.62
  4. Step 4: Simplify right side
    57,970.50x = 2,625,759,467.67
  5. Step 5: Solve for x
    x = 2,625,759,467.67/57,970.50
  6. Step 6: Final answer
    x = 45,294.75

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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.