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Finding the Fourth Proportional to 26,424.68, 39,641.12 and 8,893.14

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Solution

The fourth proportional to 26,424.68, 39,641.12 and 8,893.14 is: 13,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,424.68 : 39,641.12 = 8,893.14 : x
  2. Step 2: Convert to fraction form
    26,424.68/39,641.12 = 8,893.14/x
  3. Step 3: Cross multiply
    26,424.68x = 39,641.12 × 8,893.14
  4. Step 4: Simplify right side
    26,424.68x = 352,534,029.92
  5. Step 5: Solve for x
    x = 352,534,029.92/26,424.68
  6. Step 6: Final answer
    x = 13,341.09

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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.