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Finding the Fourth Proportional to 26,371.09, 39,551.59 and 7,903.09

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Solution

The fourth proportional to 26,371.09, 39,551.59 and 7,903.09 is: 11,853.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,371.09 : 39,551.59 = 7,903.09 : x
  2. Step 2: Convert to fraction form
    26,371.09/39,551.59 = 7,903.09/x
  3. Step 3: Cross multiply
    26,371.09x = 39,551.59 × 7,903.09
  4. Step 4: Simplify right side
    26,371.09x = 312,579,775.41
  5. Step 5: Solve for x
    x = 312,579,775.41/26,371.09
  6. Step 6: Final answer
    x = 11,853.12

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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.