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Finding the Fourth Proportional to 17,022.48, 25,519.92 and 7,655.64

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Solution

The fourth proportional to 17,022.48, 25,519.92 and 7,655.64 is: 11,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,022.48 : 25,519.92 = 7,655.64 : x
  2. Step 2: Convert to fraction form
    17,022.48/25,519.92 = 7,655.64/x
  3. Step 3: Cross multiply
    17,022.48x = 25,519.92 × 7,655.64
  4. Step 4: Simplify right side
    17,022.48x = 195,371,320.35
  5. Step 5: Solve for x
    x = 195,371,320.35/17,022.48
  6. Step 6: Final answer
    x = 11,477.25

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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.