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Finding the Fourth Proportional to 17,753.64, 24,509.97 and 13,507.62

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Solution

The fourth proportional to 17,753.64, 24,509.97 and 13,507.62 is: 18,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,753.64 : 24,509.97 = 13,507.62 : x
  2. Step 2: Convert to fraction form
    17,753.64/24,509.97 = 13,507.62/x
  3. Step 3: Cross multiply
    17,753.64x = 24,509.97 × 13,507.62
  4. Step 4: Simplify right side
    17,753.64x = 331,071,360.97
  5. Step 5: Solve for x
    x = 331,071,360.97/17,753.64
  6. Step 6: Final answer
    x = 18,648.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.