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Finding the Fourth Proportional to 17,763.72, 24,509.55 and 10,863.15

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Solution

The fourth proportional to 17,763.72, 24,509.55 and 10,863.15 is: 14,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,763.72 : 24,509.55 = 10,863.15 : x
  2. Step 2: Convert to fraction form
    17,763.72/24,509.55 = 10,863.15/x
  3. Step 3: Cross multiply
    17,763.72x = 24,509.55 × 10,863.15
  4. Step 4: Simplify right side
    17,763.72x = 266,250,918.08
  5. Step 5: Solve for x
    x = 266,250,918.08/17,763.72
  6. Step 6: Final answer
    x = 14,988.47

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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.