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Finding the Fourth Proportional to 63,007.98, 86,950.74 and 34,327.55

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Solution

The fourth proportional to 63,007.98, 86,950.74 and 34,327.55 is: 47,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,007.98 : 86,950.74 = 34,327.55 : x
  2. Step 2: Convert to fraction form
    63,007.98/86,950.74 = 34,327.55/x
  3. Step 3: Cross multiply
    63,007.98x = 86,950.74 × 34,327.55
  4. Step 4: Simplify right side
    63,007.98x = 2,984,805,538.80
  5. Step 5: Solve for x
    x = 2,984,805,538.80/63,007.98
  6. Step 6: Final answer
    x = 47,371.87

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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.