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Finding the Fourth Proportional to 7.60, 10.47 and 6.06

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Solution

The fourth proportional to 7.60, 10.47 and 6.06 is: 8.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.60 : 10.47 = 6.06 : x
  2. Step 2: Convert to fraction form
    7.60/10.47 = 6.06/x
  3. Step 3: Cross multiply
    7.60x = 10.47 × 6.06
  4. Step 4: Simplify right side
    7.60x = 63.45
  5. Step 5: Solve for x
    x = 63.45/7.60
  6. Step 6: Final answer
    x = 8.35

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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.