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Finding the Fourth Proportional to 57,980.34, 80,014.50 and 32,829.84

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Solution

The fourth proportional to 57,980.34, 80,014.50 and 32,829.84 is: 45,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,980.34 : 80,014.50 = 32,829.84 : x
  2. Step 2: Convert to fraction form
    57,980.34/80,014.50 = 32,829.84/x
  3. Step 3: Cross multiply
    57,980.34x = 80,014.50 × 32,829.84
  4. Step 4: Simplify right side
    57,980.34x = 2,626,863,232.68
  5. Step 5: Solve for x
    x = 2,626,863,232.68/57,980.34
  6. Step 6: Final answer
    x = 45,306.10

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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.