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Finding the Fourth Proportional to 19,952.34, 27,532.97 and 10,999.34

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Solution

The fourth proportional to 19,952.34, 27,532.97 and 10,999.34 is: 15,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952.34 : 27,532.97 = 10,999.34 : x
  2. Step 2: Convert to fraction form
    19,952.34/27,532.97 = 10,999.34/x
  3. Step 3: Cross multiply
    19,952.34x = 27,532.97 × 10,999.34
  4. Step 4: Simplify right side
    19,952.34x = 302,844,498.24
  5. Step 5: Solve for x
    x = 302,844,498.24/19,952.34
  6. Step 6: Final answer
    x = 15,178.40

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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.