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Finding the Fourth Proportional to 11,295.70, 16,940.31 and 4,368.58

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Solution

The fourth proportional to 11,295.70, 16,940.31 and 4,368.58 is: 6,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.70 : 16,940.31 = 4,368.58 : x
  2. Step 2: Convert to fraction form
    11,295.70/16,940.31 = 4,368.58/x
  3. Step 3: Cross multiply
    11,295.70x = 16,940.31 × 4,368.58
  4. Step 4: Simplify right side
    11,295.70x = 74,005,099.46
  5. Step 5: Solve for x
    x = 74,005,099.46/11,295.70
  6. Step 6: Final answer
    x = 6,551.62

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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.