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Finding the Fourth Proportional to 57,888.66, 79,889.72 and 32,394.81

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Solution

The fourth proportional to 57,888.66, 79,889.72 and 32,394.81 is: 44,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,888.66 : 79,889.72 = 32,394.81 : x
  2. Step 2: Convert to fraction form
    57,888.66/79,889.72 = 32,394.81/x
  3. Step 3: Cross multiply
    57,888.66x = 79,889.72 × 32,394.81
  4. Step 4: Simplify right side
    57,888.66x = 2,588,012,138.38
  5. Step 5: Solve for x
    x = 2,588,012,138.38/57,888.66
  6. Step 6: Final answer
    x = 44,706.72

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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.