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Finding the Fourth Proportional to 1.34, 1.85 and 0.93

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Solution

The fourth proportional to 1.34, 1.85 and 0.93 is: 1.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.34 : 1.85 = 0.93 : x
  2. Step 2: Convert to fraction form
    1.34/1.85 = 0.93/x
  3. Step 3: Cross multiply
    1.34x = 1.85 × 0.93
  4. Step 4: Simplify right side
    1.34x = 1.72
  5. Step 5: Solve for x
    x = 1.72/1.34
  6. Step 6: Final answer
    x = 1.29

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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.