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Finding the Fourth Proportional to 17,019.72, 25,529.22 and 9,124.92

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Solution

The fourth proportional to 17,019.72, 25,529.22 and 9,124.92 is: 13,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,019.72 : 25,529.22 = 9,124.92 : x
  2. Step 2: Convert to fraction form
    17,019.72/25,529.22 = 9,124.92/x
  3. Step 3: Cross multiply
    17,019.72x = 25,529.22 × 9,124.92
  4. Step 4: Simplify right side
    17,019.72x = 232,952,090.16
  5. Step 5: Solve for x
    x = 232,952,090.16/17,019.72
  6. Step 6: Final answer
    x = 13,687.19

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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.