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Finding the Fourth Proportional to 63,687.11, 95,530.91 and 19,314.23

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Solution

The fourth proportional to 63,687.11, 95,530.91 and 19,314.23 is: 28,971.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,687.11 : 95,530.91 = 19,314.23 : x
  2. Step 2: Convert to fraction form
    63,687.11/95,530.91 = 19,314.23/x
  3. Step 3: Cross multiply
    63,687.11x = 95,530.91 × 19,314.23
  4. Step 4: Simplify right side
    63,687.11x = 1,845,105,393.62
  5. Step 5: Solve for x
    x = 1,845,105,393.62/63,687.11
  6. Step 6: Final answer
    x = 28,971.41

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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.