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Finding the Fourth Proportional to 16,726.56, 23,073.03 and 10,428

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Solution

The fourth proportional to 16,726.56, 23,073.03 and 10,428 is: 14,384.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,726.56 : 23,073.03 = 10,428 : x
  2. Step 2: Convert to fraction form
    16,726.56/23,073.03 = 10,428/x
  3. Step 3: Cross multiply
    16,726.56x = 23,073.03 × 10,428
  4. Step 4: Simplify right side
    16,726.56x = 240,605,556.84
  5. Step 5: Solve for x
    x = 240,605,556.84/16,726.56
  6. Step 6: Final answer
    x = 14,384.64

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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.