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Finding the Fourth Proportional to 17,256.42, 25,910.55 and 9,869.22

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Solution

The fourth proportional to 17,256.42, 25,910.55 and 9,869.22 is: 14,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,256.42 : 25,910.55 = 9,869.22 : x
  2. Step 2: Convert to fraction form
    17,256.42/25,910.55 = 9,869.22/x
  3. Step 3: Cross multiply
    17,256.42x = 25,910.55 × 9,869.22
  4. Step 4: Simplify right side
    17,256.42x = 255,716,918.27
  5. Step 5: Solve for x
    x = 255,716,918.27/17,256.42
  6. Step 6: Final answer
    x = 14,818.65

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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.