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Finding the Fourth Proportional to 19,205.29, 28,787.11 and 9,832.46

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Solution

The fourth proportional to 19,205.29, 28,787.11 and 9,832.46 is: 14,738.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.29 : 28,787.11 = 9,832.46 : x
  2. Step 2: Convert to fraction form
    19,205.29/28,787.11 = 9,832.46/x
  3. Step 3: Cross multiply
    19,205.29x = 28,787.11 × 9,832.46
  4. Step 4: Simplify right side
    19,205.29x = 283,047,939.07
  5. Step 5: Solve for x
    x = 283,047,939.07/19,205.29
  6. Step 6: Final answer
    x = 14,738.02

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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.