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Finding the Fourth Proportional to 17,603.08, 26,386.08 and 6,502.66

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Solution

The fourth proportional to 17,603.08, 26,386.08 and 6,502.66 is: 9,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,603.08 : 26,386.08 = 6,502.66 : x
  2. Step 2: Convert to fraction form
    17,603.08/26,386.08 = 6,502.66/x
  3. Step 3: Cross multiply
    17,603.08x = 26,386.08 × 6,502.66
  4. Step 4: Simplify right side
    17,603.08x = 171,579,706.97
  5. Step 5: Solve for x
    x = 171,579,706.97/17,603.08
  6. Step 6: Final answer
    x = 9,747.14

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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.