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Finding the Fourth Proportional to 17,386.98, 26,080.47 and 8,150.82

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Solution

The fourth proportional to 17,386.98, 26,080.47 and 8,150.82 is: 12,226.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,386.98 : 26,080.47 = 8,150.82 : x
  2. Step 2: Convert to fraction form
    17,386.98/26,080.47 = 8,150.82/x
  3. Step 3: Cross multiply
    17,386.98x = 26,080.47 × 8,150.82
  4. Step 4: Simplify right side
    17,386.98x = 212,577,216.49
  5. Step 5: Solve for x
    x = 212,577,216.49/17,386.98
  6. Step 6: Final answer
    x = 12,226.23

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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.