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Finding the Fourth Proportional to 1.14, 1.58 and 1.10

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Solution

The fourth proportional to 1.14, 1.58 and 1.10 is: 1.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.14 : 1.58 = 1.10 : x
  2. Step 2: Convert to fraction form
    1.14/1.58 = 1.10/x
  3. Step 3: Cross multiply
    1.14x = 1.58 × 1.10
  4. Step 4: Simplify right side
    1.14x = 1.73
  5. Step 5: Solve for x
    x = 1.73/1.14
  6. Step 6: Final answer
    x = 1.53

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.