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Finding the Fourth Proportional to 23,671.56, 32,691.05 and 19,652.94

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Solution

The fourth proportional to 23,671.56, 32,691.05 and 19,652.94 is: 27,141.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,671.56 : 32,691.05 = 19,652.94 : x
  2. Step 2: Convert to fraction form
    23,671.56/32,691.05 = 19,652.94/x
  3. Step 3: Cross multiply
    23,671.56x = 32,691.05 × 19,652.94
  4. Step 4: Simplify right side
    23,671.56x = 642,475,244.19
  5. Step 5: Solve for x
    x = 642,475,244.19/23,671.56
  6. Step 6: Final answer
    x = 27,141.23

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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.