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Finding the Fourth Proportional to 3,637, 5,425.30 and 3,515.52

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Solution

The fourth proportional to 3,637, 5,425.30 and 3,515.52 is: 5,244.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637 : 5,425.30 = 3,515.52 : x
  2. Step 2: Convert to fraction form
    3,637/5,425.30 = 3,515.52/x
  3. Step 3: Cross multiply
    3,637x = 5,425.30 × 3,515.52
  4. Step 4: Simplify right side
    3,637x = 19,072,750.66
  5. Step 5: Solve for x
    x = 19,072,750.66/3,637
  6. Step 6: Final answer
    x = 5,244.09

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1.5x scale

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.