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Finding the Fourth Proportional to 26,921.42, 37,151.02 and 16,855.41

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Solution

The fourth proportional to 26,921.42, 37,151.02 and 16,855.41 is: 23,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.42 : 37,151.02 = 16,855.41 : x
  2. Step 2: Convert to fraction form
    26,921.42/37,151.02 = 16,855.41/x
  3. Step 3: Cross multiply
    26,921.42x = 37,151.02 × 16,855.41
  4. Step 4: Simplify right side
    26,921.42x = 626,195,674.02
  5. Step 5: Solve for x
    x = 626,195,674.02/26,921.42
  6. Step 6: Final answer
    x = 23,260.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.