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Finding the Fourth Proportional to 26,397, 39,601.20 and 8,866.32

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Solution

The fourth proportional to 26,397, 39,601.20 and 8,866.32 is: 13,301.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,397 : 39,601.20 = 8,866.32 : x
  2. Step 2: Convert to fraction form
    26,397/39,601.20 = 8,866.32/x
  3. Step 3: Cross multiply
    26,397x = 39,601.20 × 8,866.32
  4. Step 4: Simplify right side
    26,397x = 351,116,911.58
  5. Step 5: Solve for x
    x = 351,116,911.58/26,397
  6. Step 6: Final answer
    x = 13,301.39

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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.