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Finding the Fourth Proportional to 9,018.87, 13,503.62 and 7,463.37

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Solution

The fourth proportional to 9,018.87, 13,503.62 and 7,463.37 is: 11,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.87 : 13,503.62 = 7,463.37 : x
  2. Step 2: Convert to fraction form
    9,018.87/13,503.62 = 7,463.37/x
  3. Step 3: Cross multiply
    9,018.87x = 13,503.62 × 7,463.37
  4. Step 4: Simplify right side
    9,018.87x = 100,782,512.40
  5. Step 5: Solve for x
    x = 100,782,512.40/9,018.87
  6. Step 6: Final answer
    x = 11,174.63

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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.