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Finding the Fourth Proportional to 26,959.94, 40,461.06 and 18,697.94

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Solution

The fourth proportional to 26,959.94, 40,461.06 and 18,697.94 is: 28,061.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,959.94 : 40,461.06 = 18,697.94 : x
  2. Step 2: Convert to fraction form
    26,959.94/40,461.06 = 18,697.94/x
  3. Step 3: Cross multiply
    26,959.94x = 40,461.06 × 18,697.94
  4. Step 4: Simplify right side
    26,959.94x = 756,538,472.22
  5. Step 5: Solve for x
    x = 756,538,472.22/26,959.94
  6. Step 6: Final answer
    x = 28,061.58

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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.