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Finding the Fourth Proportional to 26,463.88, 39,715.26 and 13,303

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Solution

The fourth proportional to 26,463.88, 39,715.26 and 13,303 is: 19,964.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,463.88 : 39,715.26 = 13,303 : x
  2. Step 2: Convert to fraction form
    26,463.88/39,715.26 = 13,303/x
  3. Step 3: Cross multiply
    26,463.88x = 39,715.26 × 13,303
  4. Step 4: Simplify right side
    26,463.88x = 528,332,103.78
  5. Step 5: Solve for x
    x = 528,332,103.78/26,463.88
  6. Step 6: Final answer
    x = 19,964.27

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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.