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Finding the Fourth Proportional to 67,581.76, 101,393.04 and 35,986.36

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Solution

The fourth proportional to 67,581.76, 101,393.04 and 35,986.36 is: 53,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,581.76 : 101,393.04 = 35,986.36 : x
  2. Step 2: Convert to fraction form
    67,581.76/101,393.04 = 35,986.36/x
  3. Step 3: Cross multiply
    67,581.76x = 101,393.04 × 35,986.36
  4. Step 4: Simplify right side
    67,581.76x = 3,648,766,438.93
  5. Step 5: Solve for x
    x = 3,648,766,438.93/67,581.76
  6. Step 6: Final answer
    x = 53,990.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.