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Finding the Fourth Proportional to 26,375.70, 36,398.90 and 14,438.84

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Solution

The fourth proportional to 26,375.70, 36,398.90 and 14,438.84 is: 19,925.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,375.70 : 36,398.90 = 14,438.84 : x
  2. Step 2: Convert to fraction form
    26,375.70/36,398.90 = 14,438.84/x
  3. Step 3: Cross multiply
    26,375.70x = 36,398.90 × 14,438.84
  4. Step 4: Simplify right side
    26,375.70x = 525,557,893.28
  5. Step 5: Solve for x
    x = 525,557,893.28/26,375.70
  6. Step 6: Final answer
    x = 19,925.84

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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.