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Finding the Fourth Proportional to 17,019.87, 23,486.97 and 9,465.81

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Solution

The fourth proportional to 17,019.87, 23,486.97 and 9,465.81 is: 13,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,019.87 : 23,486.97 = 9,465.81 : x
  2. Step 2: Convert to fraction form
    17,019.87/23,486.97 = 9,465.81/x
  3. Step 3: Cross multiply
    17,019.87x = 23,486.97 × 9,465.81
  4. Step 4: Simplify right side
    17,019.87x = 222,323,195.50
  5. Step 5: Solve for x
    x = 222,323,195.50/17,019.87
  6. Step 6: Final answer
    x = 13,062.57

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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.