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Finding the Fourth Proportional to 17,745.71, 26,618.43 and 5,264.70

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Solution

The fourth proportional to 17,745.71, 26,618.43 and 5,264.70 is: 7,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.71 : 26,618.43 = 5,264.70 : x
  2. Step 2: Convert to fraction form
    17,745.71/26,618.43 = 5,264.70/x
  3. Step 3: Cross multiply
    17,745.71x = 26,618.43 × 5,264.70
  4. Step 4: Simplify right side
    17,745.71x = 140,138,048.42
  5. Step 5: Solve for x
    x = 140,138,048.42/17,745.71
  6. Step 6: Final answer
    x = 7,897.01

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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.