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Finding the Fourth Proportional to 17,294.40, 25,943.04 and 5,607.84

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Solution

The fourth proportional to 17,294.40, 25,943.04 and 5,607.84 is: 8,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,294.40 : 25,943.04 = 5,607.84 : x
  2. Step 2: Convert to fraction form
    17,294.40/25,943.04 = 5,607.84/x
  3. Step 3: Cross multiply
    17,294.40x = 25,943.04 × 5,607.84
  4. Step 4: Simplify right side
    17,294.40x = 145,484,417.43
  5. Step 5: Solve for x
    x = 145,484,417.43/17,294.40
  6. Step 6: Final answer
    x = 8,412.23

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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.