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Finding the Fourth Proportional to 32,787.41, 45,245.28 and 19,362.98

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Solution

The fourth proportional to 32,787.41, 45,245.28 and 19,362.98 is: 26,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,787.41 : 45,245.28 = 19,362.98 : x
  2. Step 2: Convert to fraction form
    32,787.41/45,245.28 = 19,362.98/x
  3. Step 3: Cross multiply
    32,787.41x = 45,245.28 × 19,362.98
  4. Step 4: Simplify right side
    32,787.41x = 876,083,451.73
  5. Step 5: Solve for x
    x = 876,083,451.73/32,787.41
  6. Step 6: Final answer
    x = 26,720.12

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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.