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Finding the Fourth Proportional to 22,368.84, 33,558.12 and 6,787.68

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Solution

The fourth proportional to 22,368.84, 33,558.12 and 6,787.68 is: 10,182.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.84 : 33,558.12 = 6,787.68 : x
  2. Step 2: Convert to fraction form
    22,368.84/33,558.12 = 6,787.68/x
  3. Step 3: Cross multiply
    22,368.84x = 33,558.12 × 6,787.68
  4. Step 4: Simplify right side
    22,368.84x = 227,781,779.96
  5. Step 5: Solve for x
    x = 227,781,779.96/22,368.84
  6. Step 6: Final answer
    x = 10,182.99

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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.