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Finding the Fourth Proportional to 3,534.72, 5,266.56 and 3,336

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Solution

The fourth proportional to 3,534.72, 5,266.56 and 3,336 is: 4,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.72 : 5,266.56 = 3,336 : x
  2. Step 2: Convert to fraction form
    3,534.72/5,266.56 = 3,336/x
  3. Step 3: Cross multiply
    3,534.72x = 5,266.56 × 3,336
  4. Step 4: Simplify right side
    3,534.72x = 17,569,244.16
  5. Step 5: Solve for x
    x = 17,569,244.16/3,534.72
  6. Step 6: Final answer
    x = 4,970.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.