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Finding the Fourth Proportional to 17,673.04, 24,389 and 9,715.28

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Solution

The fourth proportional to 17,673.04, 24,389 and 9,715.28 is: 13,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,673.04 : 24,389 = 9,715.28 : x
  2. Step 2: Convert to fraction form
    17,673.04/24,389 = 9,715.28/x
  3. Step 3: Cross multiply
    17,673.04x = 24,389 × 9,715.28
  4. Step 4: Simplify right side
    17,673.04x = 236,945,963.92
  5. Step 5: Solve for x
    x = 236,945,963.92/17,673.04
  6. Step 6: Final answer
    x = 13,407.20

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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.