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Finding the Fourth Proportional to 58,405.20, 80,600.84 and 32,911.80

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Solution

The fourth proportional to 58,405.20, 80,600.84 and 32,911.80 is: 45,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,405.20 : 80,600.84 = 32,911.80 : x
  2. Step 2: Convert to fraction form
    58,405.20/80,600.84 = 32,911.80/x
  3. Step 3: Cross multiply
    58,405.20x = 80,600.84 × 32,911.80
  4. Step 4: Simplify right side
    58,405.20x = 2,652,718,561.35
  5. Step 5: Solve for x
    x = 2,652,718,561.35/58,405.20
  6. Step 6: Final answer
    x = 45,419.22

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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.