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Finding the Fourth Proportional to 11,193.71, 16,787.93 and 4,950.32

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Solution

The fourth proportional to 11,193.71, 16,787.93 and 4,950.32 is: 7,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.71 : 16,787.93 = 4,950.32 : x
  2. Step 2: Convert to fraction form
    11,193.71/16,787.93 = 4,950.32/x
  3. Step 3: Cross multiply
    11,193.71x = 16,787.93 × 4,950.32
  4. Step 4: Simplify right side
    11,193.71x = 83,105,516.95
  5. Step 5: Solve for x
    x = 83,105,516.95/11,193.71
  6. Step 6: Final answer
    x = 7,424.31

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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.