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Finding the Fourth Proportional to 19,803.29, 27,328.29 and 10,850.27

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Solution

The fourth proportional to 19,803.29, 27,328.29 and 10,850.27 is: 14,973.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,803.29 : 27,328.29 = 10,850.27 : x
  2. Step 2: Convert to fraction form
    19,803.29/27,328.29 = 10,850.27/x
  3. Step 3: Cross multiply
    19,803.29x = 27,328.29 × 10,850.27
  4. Step 4: Simplify right side
    19,803.29x = 296,519,325.14
  5. Step 5: Solve for x
    x = 296,519,325.14/19,803.29
  6. Step 6: Final answer
    x = 14,973.24

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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.