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Finding the Fourth Proportional to 62,640.63, 86,441.36 and 37,503.99

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Solution

The fourth proportional to 62,640.63, 86,441.36 and 37,503.99 is: 51,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,640.63 : 86,441.36 = 37,503.99 : x
  2. Step 2: Convert to fraction form
    62,640.63/86,441.36 = 37,503.99/x
  3. Step 3: Cross multiply
    62,640.63x = 86,441.36 × 37,503.99
  4. Step 4: Simplify right side
    62,640.63x = 3,241,895,713.51
  5. Step 5: Solve for x
    x = 3,241,895,713.51/62,640.63
  6. Step 6: Final answer
    x = 51,753.88

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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.