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Finding the Fourth Proportional to 17,172.99, 25,737.96 and 9,275.19

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Solution

The fourth proportional to 17,172.99, 25,737.96 and 9,275.19 is: 13,901.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.99 : 25,737.96 = 9,275.19 : x
  2. Step 2: Convert to fraction form
    17,172.99/25,737.96 = 9,275.19/x
  3. Step 3: Cross multiply
    17,172.99x = 25,737.96 × 9,275.19
  4. Step 4: Simplify right side
    17,172.99x = 238,724,469.21
  5. Step 5: Solve for x
    x = 238,724,469.21/17,172.99
  6. Step 6: Final answer
    x = 13,901.16

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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.