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Finding the Fourth Proportional to 17,993.64, 26,990.94 and 6,307.56

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Solution

The fourth proportional to 17,993.64, 26,990.94 and 6,307.56 is: 9,461.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.64 : 26,990.94 = 6,307.56 : x
  2. Step 2: Convert to fraction form
    17,993.64/26,990.94 = 6,307.56/x
  3. Step 3: Cross multiply
    17,993.64x = 26,990.94 × 6,307.56
  4. Step 4: Simplify right side
    17,993.64x = 170,246,973.51
  5. Step 5: Solve for x
    x = 170,246,973.51/17,993.64
  6. Step 6: Final answer
    x = 9,461.51

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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.