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Finding the Fourth Proportional to 62,619.84, 86,398.08 and 35,752.56

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Solution

The fourth proportional to 62,619.84, 86,398.08 and 35,752.56 is: 49,328.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,619.84 : 86,398.08 = 35,752.56 : x
  2. Step 2: Convert to fraction form
    62,619.84/86,398.08 = 35,752.56/x
  3. Step 3: Cross multiply
    62,619.84x = 86,398.08 × 35,752.56
  4. Step 4: Simplify right side
    62,619.84x = 3,088,952,539.08
  5. Step 5: Solve for x
    x = 3,088,952,539.08/62,619.84
  6. Step 6: Final answer
    x = 49,328.66

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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.