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Finding the Fourth Proportional to 19,625.68, 27,083.18 and 10,672.99

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Solution

The fourth proportional to 19,625.68, 27,083.18 and 10,672.99 is: 14,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.68 : 27,083.18 = 10,672.99 : x
  2. Step 2: Convert to fraction form
    19,625.68/27,083.18 = 10,672.99/x
  3. Step 3: Cross multiply
    19,625.68x = 27,083.18 × 10,672.99
  4. Step 4: Simplify right side
    19,625.68x = 289,058,320.53
  5. Step 5: Solve for x
    x = 289,058,320.53/19,625.68
  6. Step 6: Final answer
    x = 14,728.58

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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.