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Finding the Fourth Proportional to 26,773.42, 40,221.70 and 18,894.08

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Solution

The fourth proportional to 26,773.42, 40,221.70 and 18,894.08 is: 28,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,773.42 : 40,221.70 = 18,894.08 : x
  2. Step 2: Convert to fraction form
    26,773.42/40,221.70 = 18,894.08/x
  3. Step 3: Cross multiply
    26,773.42x = 40,221.70 × 18,894.08
  4. Step 4: Simplify right side
    26,773.42x = 759,952,017.54
  5. Step 5: Solve for x
    x = 759,952,017.54/26,773.42
  6. Step 6: Final answer
    x = 28,384.57

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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.