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Finding the Fourth Proportional to 26,715, 36,866.30 and 19,072.38

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Solution

The fourth proportional to 26,715, 36,866.30 and 19,072.38 is: 26,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715 : 36,866.30 = 19,072.38 : x
  2. Step 2: Convert to fraction form
    26,715/36,866.30 = 19,072.38/x
  3. Step 3: Cross multiply
    26,715x = 36,866.30 × 19,072.38
  4. Step 4: Simplify right side
    26,715x = 703,127,987.43
  5. Step 5: Solve for x
    x = 703,127,987.43/26,715
  6. Step 6: Final answer
    x = 26,319.60

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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.