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Finding the Fourth Proportional to 17,803.48, 26,692.92 and 7,803.43

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Solution

The fourth proportional to 17,803.48, 26,692.92 and 7,803.43 is: 11,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,803.48 : 26,692.92 = 7,803.43 : x
  2. Step 2: Convert to fraction form
    17,803.48/26,692.92 = 7,803.43/x
  3. Step 3: Cross multiply
    17,803.48x = 26,692.92 × 7,803.43
  4. Step 4: Simplify right side
    17,803.48x = 208,296,332.72
  5. Step 5: Solve for x
    x = 208,296,332.72/17,803.48
  6. Step 6: Final answer
    x = 11,699.75

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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.