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Finding the Fourth Proportional to 17,342.16, 26,015.40 and 5,651.40

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Solution

The fourth proportional to 17,342.16, 26,015.40 and 5,651.40 is: 8,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,342.16 : 26,015.40 = 5,651.40 : x
  2. Step 2: Convert to fraction form
    17,342.16/26,015.40 = 5,651.40/x
  3. Step 3: Cross multiply
    17,342.16x = 26,015.40 × 5,651.40
  4. Step 4: Simplify right side
    17,342.16x = 147,023,431.56
  5. Step 5: Solve for x
    x = 147,023,431.56/17,342.16
  6. Step 6: Final answer
    x = 8,477.80

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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.