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Finding the Fourth Proportional to 41,675.88, 57,452.80 and 29,718.40

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Solution

The fourth proportional to 41,675.88, 57,452.80 and 29,718.40 is: 40,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,675.88 : 57,452.80 = 29,718.40 : x
  2. Step 2: Convert to fraction form
    41,675.88/57,452.80 = 29,718.40/x
  3. Step 3: Cross multiply
    41,675.88x = 57,452.80 × 29,718.40
  4. Step 4: Simplify right side
    41,675.88x = 1,707,405,291.52
  5. Step 5: Solve for x
    x = 1,707,405,291.52/41,675.88
  6. Step 6: Final answer
    x = 40,968.67

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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.