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Finding the Fourth Proportional to 57,862.91, 79,858.17 and 32,370.69

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Solution

The fourth proportional to 57,862.91, 79,858.17 and 32,370.69 is: 44,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,862.91 : 79,858.17 = 32,370.69 : x
  2. Step 2: Convert to fraction form
    57,862.91/79,858.17 = 32,370.69/x
  3. Step 3: Cross multiply
    57,862.91x = 79,858.17 × 32,370.69
  4. Step 4: Simplify right side
    57,862.91x = 2,585,064,364.51
  5. Step 5: Solve for x
    x = 2,585,064,364.51/57,862.91
  6. Step 6: Final answer
    x = 44,675.67

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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.