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Finding the Fourth Proportional to 62,609.71, 86,490.38 and 50,492.36

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Solution

The fourth proportional to 62,609.71, 86,490.38 and 50,492.36 is: 69,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,609.71 : 86,490.38 = 50,492.36 : x
  2. Step 2: Convert to fraction form
    62,609.71/86,490.38 = 50,492.36/x
  3. Step 3: Cross multiply
    62,609.71x = 86,490.38 × 50,492.36
  4. Step 4: Simplify right side
    62,609.71x = 4,367,103,745.95
  5. Step 5: Solve for x
    x = 4,367,103,745.95/62,609.71
  6. Step 6: Final answer
    x = 69,751.22

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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.