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Finding the Fourth Proportional to 17,180.16, 23,713.12 and 10,108.88

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Solution

The fourth proportional to 17,180.16, 23,713.12 and 10,108.88 is: 13,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,180.16 : 23,713.12 = 10,108.88 : x
  2. Step 2: Convert to fraction form
    17,180.16/23,713.12 = 10,108.88/x
  3. Step 3: Cross multiply
    17,180.16x = 23,713.12 × 10,108.88
  4. Step 4: Simplify right side
    17,180.16x = 239,713,084.51
  5. Step 5: Solve for x
    x = 239,713,084.51/17,180.16
  6. Step 6: Final answer
    x = 13,952.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.