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Finding the Fourth Proportional to 4,790, 6,607.96 and 3,393.52

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Solution

The fourth proportional to 4,790, 6,607.96 and 3,393.52 is: 4,681.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790 : 6,607.96 = 3,393.52 : x
  2. Step 2: Convert to fraction form
    4,790/6,607.96 = 3,393.52/x
  3. Step 3: Cross multiply
    4,790x = 6,607.96 × 3,393.52
  4. Step 4: Simplify right side
    4,790x = 22,424,244.42
  5. Step 5: Solve for x
    x = 22,424,244.42/4,790
  6. Step 6: Final answer
    x = 4,681.47

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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.