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Finding the Fourth Proportional to 2,383.47, 3,575.25 and 652.09

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Solution

The fourth proportional to 2,383.47, 3,575.25 and 652.09 is: 978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.47 : 3,575.25 = 652.09 : x
  2. Step 2: Convert to fraction form
    2,383.47/3,575.25 = 652.09/x
  3. Step 3: Cross multiply
    2,383.47x = 3,575.25 × 652.09
  4. Step 4: Simplify right side
    2,383.47x = 2,331,384.77
  5. Step 5: Solve for x
    x = 2,331,384.77/2,383.47
  6. Step 6: Final answer
    x = 978.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.