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Finding the Fourth Proportional to 57,888.29, 79,889.20 and 32,394.43

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Solution

The fourth proportional to 57,888.29, 79,889.20 and 32,394.43 is: 44,706.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,888.29 : 79,889.20 = 32,394.43 : x
  2. Step 2: Convert to fraction form
    57,888.29/79,889.20 = 32,394.43/x
  3. Step 3: Cross multiply
    57,888.29x = 79,889.20 × 32,394.43
  4. Step 4: Simplify right side
    57,888.29x = 2,587,964,816.45
  5. Step 5: Solve for x
    x = 2,587,964,816.45/57,888.29
  6. Step 6: Final answer
    x = 44,706.19

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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.