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Finding the Fourth Proportional to 1.84, 2.77 and 0.66

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Solution

The fourth proportional to 1.84, 2.77 and 0.66 is: 0.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.84 : 2.77 = 0.66 : x
  2. Step 2: Convert to fraction form
    1.84/2.77 = 0.66/x
  3. Step 3: Cross multiply
    1.84x = 2.77 × 0.66
  4. Step 4: Simplify right side
    1.84x = 1.82
  5. Step 5: Solve for x
    x = 1.82/1.84
  6. Step 6: Final answer
    x = 0.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.