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Finding the Fourth Proportional to 26,644.97, 39,975.44 and 7,925.66

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Solution

The fourth proportional to 26,644.97, 39,975.44 and 7,925.66 is: 11,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,644.97 : 39,975.44 = 7,925.66 : x
  2. Step 2: Convert to fraction form
    26,644.97/39,975.44 = 7,925.66/x
  3. Step 3: Cross multiply
    26,644.97x = 39,975.44 × 7,925.66
  4. Step 4: Simplify right side
    26,644.97x = 316,831,506.28
  5. Step 5: Solve for x
    x = 316,831,506.28/26,644.97
  6. Step 6: Final answer
    x = 11,890.86

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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.