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Finding the Fourth Proportional to 26,605.25, 39,911.96 and 9,070.97

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Solution

The fourth proportional to 26,605.25, 39,911.96 and 9,070.97 is: 13,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605.25 : 39,911.96 = 9,070.97 : x
  2. Step 2: Convert to fraction form
    26,605.25/39,911.96 = 9,070.97/x
  3. Step 3: Cross multiply
    26,605.25x = 39,911.96 × 9,070.97
  4. Step 4: Simplify right side
    26,605.25x = 362,040,314.26
  5. Step 5: Solve for x
    x = 362,040,314.26/26,605.25
  6. Step 6: Final answer
    x = 13,607.85

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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.