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Finding the Fourth Proportional to 63,163.80, 94,745.70 and 40,710.60

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Solution

The fourth proportional to 63,163.80, 94,745.70 and 40,710.60 is: 61,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,163.80 : 94,745.70 = 40,710.60 : x
  2. Step 2: Convert to fraction form
    63,163.80/94,745.70 = 40,710.60/x
  3. Step 3: Cross multiply
    63,163.80x = 94,745.70 × 40,710.60
  4. Step 4: Simplify right side
    63,163.80x = 3,857,154,294.42
  5. Step 5: Solve for x
    x = 3,857,154,294.42/63,163.80
  6. Step 6: Final answer
    x = 61,065.90

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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.