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Finding the Fourth Proportional to 71,642.94, 107,436.25 and 24,244.98

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Solution

The fourth proportional to 71,642.94, 107,436.25 and 24,244.98 is: 36,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,642.94 : 107,436.25 = 24,244.98 : x
  2. Step 2: Convert to fraction form
    71,642.94/107,436.25 = 24,244.98/x
  3. Step 3: Cross multiply
    71,642.94x = 107,436.25 × 24,244.98
  4. Step 4: Simplify right side
    71,642.94x = 2,604,789,732.53
  5. Step 5: Solve for x
    x = 2,604,789,732.53/71,642.94
  6. Step 6: Final answer
    x = 36,357.94

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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.