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Finding the Fourth Proportional to 62,603.36, 86,392.16 and 34,308.96

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Solution

The fourth proportional to 62,603.36, 86,392.16 and 34,308.96 is: 47,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,603.36 : 86,392.16 = 34,308.96 : x
  2. Step 2: Convert to fraction form
    62,603.36/86,392.16 = 34,308.96/x
  3. Step 3: Cross multiply
    62,603.36x = 86,392.16 × 34,308.96
  4. Step 4: Simplify right side
    62,603.36x = 2,964,025,161.75
  5. Step 5: Solve for x
    x = 2,964,025,161.75/62,603.36
  6. Step 6: Final answer
    x = 47,346.10

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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.