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Finding the Fourth Proportional to 17,758.72, 26,639.04 and 4,610.74

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Solution

The fourth proportional to 17,758.72, 26,639.04 and 4,610.74 is: 6,916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,758.72 : 26,639.04 = 4,610.74 : x
  2. Step 2: Convert to fraction form
    17,758.72/26,639.04 = 4,610.74/x
  3. Step 3: Cross multiply
    17,758.72x = 26,639.04 × 4,610.74
  4. Step 4: Simplify right side
    17,758.72x = 122,825,687.29
  5. Step 5: Solve for x
    x = 122,825,687.29/17,758.72
  6. Step 6: Final answer
    x = 6,916.36

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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.