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Finding the Fourth Proportional to 5.04, 6.92 and 4.70

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Solution

The fourth proportional to 5.04, 6.92 and 4.70 is: 6.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.04 : 6.92 = 4.70 : x
  2. Step 2: Convert to fraction form
    5.04/6.92 = 4.70/x
  3. Step 3: Cross multiply
    5.04x = 6.92 × 4.70
  4. Step 4: Simplify right side
    5.04x = 32.52
  5. Step 5: Solve for x
    x = 32.52/5.04
  6. Step 6: Final answer
    x = 6.45

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.