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Finding the Fourth Proportional to 48,383.43, 72,603.17 and 20,301

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Solution

The fourth proportional to 48,383.43, 72,603.17 and 20,301 is: 30,463.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,383.43 : 72,603.17 = 20,301 : x
  2. Step 2: Convert to fraction form
    48,383.43/72,603.17 = 20,301/x
  3. Step 3: Cross multiply
    48,383.43x = 72,603.17 × 20,301
  4. Step 4: Simplify right side
    48,383.43x = 1,473,916,954.17
  5. Step 5: Solve for x
    x = 1,473,916,954.17/48,383.43
  6. Step 6: Final answer
    x = 30,463.26

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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.