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Finding the Fourth Proportional to 17,671.71, 26,506.95 and 4,524.19

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Solution

The fourth proportional to 17,671.71, 26,506.95 and 4,524.19 is: 6,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,671.71 : 26,506.95 = 4,524.19 : x
  2. Step 2: Convert to fraction form
    17,671.71/26,506.95 = 4,524.19/x
  3. Step 3: Cross multiply
    17,671.71x = 26,506.95 × 4,524.19
  4. Step 4: Simplify right side
    17,671.71x = 119,922,478.12
  5. Step 5: Solve for x
    x = 119,922,478.12/17,671.71
  6. Step 6: Final answer
    x = 6,786.13

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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.