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Finding the Fourth Proportional to 63,019.63, 86,963.65 and 34,723.09

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Solution

The fourth proportional to 63,019.63, 86,963.65 and 34,723.09 is: 47,915.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,019.63 : 86,963.65 = 34,723.09 : x
  2. Step 2: Convert to fraction form
    63,019.63/86,963.65 = 34,723.09/x
  3. Step 3: Cross multiply
    63,019.63x = 86,963.65 × 34,723.09
  4. Step 4: Simplify right side
    63,019.63x = 3,019,646,645.68
  5. Step 5: Solve for x
    x = 3,019,646,645.68/63,019.63
  6. Step 6: Final answer
    x = 47,915.97

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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.