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Finding the Fourth Proportional to 10.52, 14.50 and 7.01

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Solution

The fourth proportional to 10.52, 14.50 and 7.01 is: 9.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.52 : 14.50 = 7.01 : x
  2. Step 2: Convert to fraction form
    10.52/14.50 = 7.01/x
  3. Step 3: Cross multiply
    10.52x = 14.50 × 7.01
  4. Step 4: Simplify right side
    10.52x = 101.66
  5. Step 5: Solve for x
    x = 101.66/10.52
  6. Step 6: Final answer
    x = 9.67

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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.