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Finding the Fourth Proportional to 26,773.25, 40,130.88 and 11,961.77

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Solution

The fourth proportional to 26,773.25, 40,130.88 and 11,961.77 is: 17,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,773.25 : 40,130.88 = 11,961.77 : x
  2. Step 2: Convert to fraction form
    26,773.25/40,130.88 = 11,961.77/x
  3. Step 3: Cross multiply
    26,773.25x = 40,130.88 × 11,961.77
  4. Step 4: Simplify right side
    26,773.25x = 480,036,356.46
  5. Step 5: Solve for x
    x = 480,036,356.46/26,773.25
  6. Step 6: Final answer
    x = 17,929.70

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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.