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Finding the Fourth Proportional to 17,773.65, 24,530.65 and 13,517.89

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Solution

The fourth proportional to 17,773.65, 24,530.65 and 13,517.89 is: 18,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,773.65 : 24,530.65 = 13,517.89 : x
  2. Step 2: Convert to fraction form
    17,773.65/24,530.65 = 13,517.89/x
  3. Step 3: Cross multiply
    17,773.65x = 24,530.65 × 13,517.89
  4. Step 4: Simplify right side
    17,773.65x = 331,602,628.33
  5. Step 5: Solve for x
    x = 331,602,628.33/17,773.65
  6. Step 6: Final answer
    x = 18,656.98

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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.