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Finding the Fourth Proportional to 1,063.11, 1,467.50 and 952.40

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Solution

The fourth proportional to 1,063.11, 1,467.50 and 952.40 is: 1,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.11 : 1,467.50 = 952.40 : x
  2. Step 2: Convert to fraction form
    1,063.11/1,467.50 = 952.40/x
  3. Step 3: Cross multiply
    1,063.11x = 1,467.50 × 952.40
  4. Step 4: Simplify right side
    1,063.11x = 1,397,634.90
  5. Step 5: Solve for x
    x = 1,397,634.90/1,063.11
  6. Step 6: Final answer
    x = 1,314.67

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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.