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Finding the Fourth Proportional to 17,008.97, 25,504.71 and 7,640.95

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Solution

The fourth proportional to 17,008.97, 25,504.71 and 7,640.95 is: 11,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,008.97 : 25,504.71 = 7,640.95 : x
  2. Step 2: Convert to fraction form
    17,008.97/25,504.71 = 7,640.95/x
  3. Step 3: Cross multiply
    17,008.97x = 25,504.71 × 7,640.95
  4. Step 4: Simplify right side
    17,008.97x = 194,880,241.01
  5. Step 5: Solve for x
    x = 194,880,241.01/17,008.97
  6. Step 6: Final answer
    x = 11,457.50

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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.