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Finding the Fourth Proportional to 17,315.60, 23,895.53 and 9,863.60

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Solution

The fourth proportional to 17,315.60, 23,895.53 and 9,863.60 is: 13,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,315.60 : 23,895.53 = 9,863.60 : x
  2. Step 2: Convert to fraction form
    17,315.60/23,895.53 = 9,863.60/x
  3. Step 3: Cross multiply
    17,315.60x = 23,895.53 × 9,863.60
  4. Step 4: Simplify right side
    17,315.60x = 235,695,780.91
  5. Step 5: Solve for x
    x = 235,695,780.91/17,315.60
  6. Step 6: Final answer
    x = 13,611.76

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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.