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Finding the Fourth Proportional to 23,718.87, 35,578.94 and 11,235.87

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Solution

The fourth proportional to 23,718.87, 35,578.94 and 11,235.87 is: 16,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,718.87 : 35,578.94 = 11,235.87 : x
  2. Step 2: Convert to fraction form
    23,718.87/35,578.94 = 11,235.87/x
  3. Step 3: Cross multiply
    23,718.87x = 35,578.94 × 11,235.87
  4. Step 4: Simplify right side
    23,718.87x = 399,760,288.40
  5. Step 5: Solve for x
    x = 399,760,288.40/23,718.87
  6. Step 6: Final answer
    x = 16,854.10

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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.