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Finding the Fourth Proportional to 60,527.85, 90,806.31 and 18,974.85

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Solution

The fourth proportional to 60,527.85, 90,806.31 and 18,974.85 is: 28,466.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,527.85 : 90,806.31 = 18,974.85 : x
  2. Step 2: Convert to fraction form
    60,527.85/90,806.31 = 18,974.85/x
  3. Step 3: Cross multiply
    60,527.85x = 90,806.31 × 18,974.85
  4. Step 4: Simplify right side
    60,527.85x = 1,723,036,111.30
  5. Step 5: Solve for x
    x = 1,723,036,111.30/60,527.85
  6. Step 6: Final answer
    x = 28,466.83

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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.