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Finding the Fourth Proportional to 62,262.64, 85,920.60 and 35,408.08

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Solution

The fourth proportional to 62,262.64, 85,920.60 and 35,408.08 is: 48,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,262.64 : 85,920.60 = 35,408.08 : x
  2. Step 2: Convert to fraction form
    62,262.64/85,920.60 = 35,408.08/x
  3. Step 3: Cross multiply
    62,262.64x = 85,920.60 × 35,408.08
  4. Step 4: Simplify right side
    62,262.64x = 3,042,283,478.45
  5. Step 5: Solve for x
    x = 3,042,283,478.45/62,262.64
  6. Step 6: Final answer
    x = 48,862.10

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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.