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Finding the Fourth Proportional to 63,014.82, 86,960.46 and 34,720.26

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Solution

The fourth proportional to 63,014.82, 86,960.46 and 34,720.26 is: 47,913.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,014.82 : 86,960.46 = 34,720.26 : x
  2. Step 2: Convert to fraction form
    63,014.82/86,960.46 = 34,720.26/x
  3. Step 3: Cross multiply
    63,014.82x = 86,960.46 × 34,720.26
  4. Step 4: Simplify right side
    63,014.82x = 3,019,289,780.92
  5. Step 5: Solve for x
    x = 3,019,289,780.92/63,014.82
  6. Step 6: Final answer
    x = 47,913.96

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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.