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Finding the Fourth Proportional to 62,937.74, 86,859.88 and 34,645.25

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Solution

The fourth proportional to 62,937.74, 86,859.88 and 34,645.25 is: 47,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,937.74 : 86,859.88 = 34,645.25 : x
  2. Step 2: Convert to fraction form
    62,937.74/86,859.88 = 34,645.25/x
  3. Step 3: Cross multiply
    62,937.74x = 86,859.88 × 34,645.25
  4. Step 4: Simplify right side
    62,937.74x = 3,009,282,388.11
  5. Step 5: Solve for x
    x = 3,009,282,388.11/62,937.74
  6. Step 6: Final answer
    x = 47,813.64

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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.