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Finding the Fourth Proportional to 71,292, 98,408.92 and 41,484

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Solution

The fourth proportional to 71,292, 98,408.92 and 41,484 is: 57,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,292 : 98,408.92 = 41,484 : x
  2. Step 2: Convert to fraction form
    71,292/98,408.92 = 41,484/x
  3. Step 3: Cross multiply
    71,292x = 98,408.92 × 41,484
  4. Step 4: Simplify right side
    71,292x = 4,082,395,637.28
  5. Step 5: Solve for x
    x = 4,082,395,637.28/71,292
  6. Step 6: Final answer
    x = 57,263.03

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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.