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Finding the Fourth Proportional to 17,672.99, 24,389.30 and 9,715.55

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Solution

The fourth proportional to 17,672.99, 24,389.30 and 9,715.55 is: 13,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.99 : 24,389.30 = 9,715.55 : x
  2. Step 2: Convert to fraction form
    17,672.99/24,389.30 = 9,715.55/x
  3. Step 3: Cross multiply
    17,672.99x = 24,389.30 × 9,715.55
  4. Step 4: Simplify right side
    17,672.99x = 236,955,365.96
  5. Step 5: Solve for x
    x = 236,955,365.96/17,672.99
  6. Step 6: Final answer
    x = 13,407.77

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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.