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Finding the Fourth Proportional to 32,190.80, 45,113.20 and 32,190.80

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Solution

The fourth proportional to 32,190.80, 45,113.20 and 32,190.80 is: 45,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,190.80 : 45,113.20 = 32,190.80 : x
  2. Step 2: Convert to fraction form
    32,190.80/45,113.20 = 32,190.80/x
  3. Step 3: Cross multiply
    32,190.80x = 45,113.20 × 32,190.80
  4. Step 4: Simplify right side
    32,190.80x = 1,452,229,998.56
  5. Step 5: Solve for x
    x = 1,452,229,998.56/32,190.80
  6. Step 6: Final answer
    x = 45,113.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.