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Finding the Fourth Proportional to 11.40, 14.93 and 11.40

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Solution

The fourth proportional to 11.40, 14.93 and 11.40 is: 14.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.40 : 14.93 = 11.40 : x
  2. Step 2: Convert to fraction form
    11.40/14.93 = 11.40/x
  3. Step 3: Cross multiply
    11.40x = 14.93 × 11.40
  4. Step 4: Simplify right side
    11.40x = 170.20
  5. Step 5: Solve for x
    x = 170.20/11.40
  6. Step 6: Final answer
    x = 14.93

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.