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Finding the Fourth Proportional to 7,542.87, 11,372.18 and 7,034.67

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Solution

The fourth proportional to 7,542.87, 11,372.18 and 7,034.67 is: 10,605.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.87 : 11,372.18 = 7,034.67 : x
  2. Step 2: Convert to fraction form
    7,542.87/11,372.18 = 7,034.67/x
  3. Step 3: Cross multiply
    7,542.87x = 11,372.18 × 7,034.67
  4. Step 4: Simplify right side
    7,542.87x = 79,999,498.31
  5. Step 5: Solve for x
    x = 79,999,498.31/7,542.87
  6. Step 6: Final answer
    x = 10,605.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.