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Finding the Fourth Proportional to 26,595.63, 39,899.07 and 7,874.19

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Solution

The fourth proportional to 26,595.63, 39,899.07 and 7,874.19 is: 11,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,595.63 : 39,899.07 = 7,874.19 : x
  2. Step 2: Convert to fraction form
    26,595.63/39,899.07 = 7,874.19/x
  3. Step 3: Cross multiply
    26,595.63x = 39,899.07 × 7,874.19
  4. Step 4: Simplify right side
    26,595.63x = 314,172,858.00
  5. Step 5: Solve for x
    x = 314,172,858.00/26,595.63
  6. Step 6: Final answer
    x = 11,812.95

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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.