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Finding the Fourth Proportional to 39,705.84, 59,551.84 and 11,625.27

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Solution

The fourth proportional to 39,705.84, 59,551.84 and 11,625.27 is: 17,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,705.84 : 59,551.84 = 11,625.27 : x
  2. Step 2: Convert to fraction form
    39,705.84/59,551.84 = 11,625.27/x
  3. Step 3: Cross multiply
    39,705.84x = 59,551.84 × 11,625.27
  4. Step 4: Simplify right side
    39,705.84x = 692,306,320.67
  5. Step 5: Solve for x
    x = 692,306,320.67/39,705.84
  6. Step 6: Final answer
    x = 17,435.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.