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Finding the Fourth Proportional to 54,861.30, 75,719.09 and 32,205.30

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Solution

The fourth proportional to 54,861.30, 75,719.09 and 32,205.30 is: 44,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,861.30 : 75,719.09 = 32,205.30 : x
  2. Step 2: Convert to fraction form
    54,861.30/75,719.09 = 32,205.30/x
  3. Step 3: Cross multiply
    54,861.30x = 75,719.09 × 32,205.30
  4. Step 4: Simplify right side
    54,861.30x = 2,438,556,009.18
  5. Step 5: Solve for x
    x = 2,438,556,009.18/54,861.30
  6. Step 6: Final answer
    x = 44,449.48

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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.