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Finding the Fourth Proportional to 29,888.75, 41,246.48 and 16,640.75

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Solution

The fourth proportional to 29,888.75, 41,246.48 and 16,640.75 is: 22,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,888.75 : 41,246.48 = 16,640.75 : x
  2. Step 2: Convert to fraction form
    29,888.75/41,246.48 = 16,640.75/x
  3. Step 3: Cross multiply
    29,888.75x = 41,246.48 × 16,640.75
  4. Step 4: Simplify right side
    29,888.75x = 686,372,362.06
  5. Step 5: Solve for x
    x = 686,372,362.06/29,888.75
  6. Step 6: Final answer
    x = 22,964.24

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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.