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Finding the Fourth Proportional to 17,697.94, 26,551.23 and 5,385.94

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Solution

The fourth proportional to 17,697.94, 26,551.23 and 5,385.94 is: 8,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.94 : 26,551.23 = 5,385.94 : x
  2. Step 2: Convert to fraction form
    17,697.94/26,551.23 = 5,385.94/x
  3. Step 3: Cross multiply
    17,697.94x = 26,551.23 × 5,385.94
  4. Step 4: Simplify right side
    17,697.94x = 143,003,331.71
  5. Step 5: Solve for x
    x = 143,003,331.71/17,697.94
  6. Step 6: Final answer
    x = 8,080.22

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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.