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Finding the Fourth Proportional to 17,358.51, 25,993.28 and 12,014.28

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Solution

The fourth proportional to 17,358.51, 25,993.28 and 12,014.28 is: 17,990.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,358.51 : 25,993.28 = 12,014.28 : x
  2. Step 2: Convert to fraction form
    17,358.51/25,993.28 = 12,014.28/x
  3. Step 3: Cross multiply
    17,358.51x = 25,993.28 × 12,014.28
  4. Step 4: Simplify right side
    17,358.51x = 312,290,574.07
  5. Step 5: Solve for x
    x = 312,290,574.07/17,358.51
  6. Step 6: Final answer
    x = 17,990.63

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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.