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Finding the Fourth Proportional to 17,701.17, 26,561.01 and 7,172.31

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Solution

The fourth proportional to 17,701.17, 26,561.01 and 7,172.31 is: 10,762.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,701.17 : 26,561.01 = 7,172.31 : x
  2. Step 2: Convert to fraction form
    17,701.17/26,561.01 = 7,172.31/x
  3. Step 3: Cross multiply
    17,701.17x = 26,561.01 × 7,172.31
  4. Step 4: Simplify right side
    17,701.17x = 190,503,797.63
  5. Step 5: Solve for x
    x = 190,503,797.63/17,701.17
  6. Step 6: Final answer
    x = 10,762.22

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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.