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Finding the Fourth Proportional to 17,672.63, 26,521.11 and 7,284.38

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Solution

The fourth proportional to 17,672.63, 26,521.11 and 7,284.38 is: 10,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.63 : 26,521.11 = 7,284.38 : x
  2. Step 2: Convert to fraction form
    17,672.63/26,521.11 = 7,284.38/x
  3. Step 3: Cross multiply
    17,672.63x = 26,521.11 × 7,284.38
  4. Step 4: Simplify right side
    17,672.63x = 193,189,710.66
  5. Step 5: Solve for x
    x = 193,189,710.66/17,672.63
  6. Step 6: Final answer
    x = 10,931.58

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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.