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Finding the Fourth Proportional to 35,864.40, 53,789.40 and 17,144.40

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Solution

The fourth proportional to 35,864.40, 53,789.40 and 17,144.40 is: 25,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,864.40 : 53,789.40 = 17,144.40 : x
  2. Step 2: Convert to fraction form
    35,864.40/53,789.40 = 17,144.40/x
  3. Step 3: Cross multiply
    35,864.40x = 53,789.40 × 17,144.40
  4. Step 4: Simplify right side
    35,864.40x = 922,186,989.36
  5. Step 5: Solve for x
    x = 922,186,989.36/35,864.40
  6. Step 6: Final answer
    x = 25,713.16

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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.