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Finding the Fourth Proportional to 17,665.29, 26,497.94 and 8,907.57

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Solution

The fourth proportional to 17,665.29, 26,497.94 and 8,907.57 is: 13,361.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,665.29 : 26,497.94 = 8,907.57 : x
  2. Step 2: Convert to fraction form
    17,665.29/26,497.94 = 8,907.57/x
  3. Step 3: Cross multiply
    17,665.29x = 26,497.94 × 8,907.57
  4. Step 4: Simplify right side
    17,665.29x = 236,032,210.87
  5. Step 5: Solve for x
    x = 236,032,210.87/17,665.29
  6. Step 6: Final answer
    x = 13,361.36

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1.5x scale

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.