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Finding the Fourth Proportional to 17,710.88, 26,567.88 and 8,940.16

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Solution

The fourth proportional to 17,710.88, 26,567.88 and 8,940.16 is: 13,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,710.88 : 26,567.88 = 8,940.16 : x
  2. Step 2: Convert to fraction form
    17,710.88/26,567.88 = 8,940.16/x
  3. Step 3: Cross multiply
    17,710.88x = 26,567.88 × 8,940.16
  4. Step 4: Simplify right side
    17,710.88x = 237,521,098.06
  5. Step 5: Solve for x
    x = 237,521,098.06/17,710.88
  6. Step 6: Final answer
    x = 13,411.03

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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.