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Finding the Fourth Proportional to 24,893.80, 34,352.82 and 13,715.56

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Solution

The fourth proportional to 24,893.80, 34,352.82 and 13,715.56 is: 18,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,893.80 : 34,352.82 = 13,715.56 : x
  2. Step 2: Convert to fraction form
    24,893.80/34,352.82 = 13,715.56/x
  3. Step 3: Cross multiply
    24,893.80x = 34,352.82 × 13,715.56
  4. Step 4: Simplify right side
    24,893.80x = 471,168,163.88
  5. Step 5: Solve for x
    x = 471,168,163.88/24,893.80
  6. Step 6: Final answer
    x = 18,927.13

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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.