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Finding the Fourth Proportional to 0.64, 0.97 and 0.59

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Solution

The fourth proportional to 0.64, 0.97 and 0.59 is: 0.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.64 : 0.97 = 0.59 : x
  2. Step 2: Convert to fraction form
    0.64/0.97 = 0.59/x
  3. Step 3: Cross multiply
    0.64x = 0.97 × 0.59
  4. Step 4: Simplify right side
    0.64x = 0.57
  5. Step 5: Solve for x
    x = 0.57/0.64
  6. Step 6: Final answer
    x = 0.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.