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Finding the Fourth Proportional to 26,265.40, 39,408.90 and 9,633.40

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Solution

The fourth proportional to 26,265.40, 39,408.90 and 9,633.40 is: 14,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,265.40 : 39,408.90 = 9,633.40 : x
  2. Step 2: Convert to fraction form
    26,265.40/39,408.90 = 9,633.40/x
  3. Step 3: Cross multiply
    26,265.40x = 39,408.90 × 9,633.40
  4. Step 4: Simplify right side
    26,265.40x = 379,641,697.26
  5. Step 5: Solve for x
    x = 379,641,697.26/26,265.40
  6. Step 6: Final answer
    x = 14,454.06

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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.