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Finding the Fourth Proportional to 17,210.87, 25,809.92 and 10,192.42

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Solution

The fourth proportional to 17,210.87, 25,809.92 and 10,192.42 is: 15,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,210.87 : 25,809.92 = 10,192.42 : x
  2. Step 2: Convert to fraction form
    17,210.87/25,809.92 = 10,192.42/x
  3. Step 3: Cross multiply
    17,210.87x = 25,809.92 × 10,192.42
  4. Step 4: Simplify right side
    17,210.87x = 263,065,544.81
  5. Step 5: Solve for x
    x = 263,065,544.81/17,210.87
  6. Step 6: Final answer
    x = 15,284.85

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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.