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Finding the Fourth Proportional to 62,763.84, 86,618.34 and 34,469.82

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Solution

The fourth proportional to 62,763.84, 86,618.34 and 34,469.82 is: 47,570.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,763.84 : 86,618.34 = 34,469.82 : x
  2. Step 2: Convert to fraction form
    62,763.84/86,618.34 = 34,469.82/x
  3. Step 3: Cross multiply
    62,763.84x = 86,618.34 × 34,469.82
  4. Step 4: Simplify right side
    62,763.84x = 2,985,718,588.50
  5. Step 5: Solve for x
    x = 2,985,718,588.50/62,763.84
  6. Step 6: Final answer
    x = 47,570.68

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1.5x scale

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.