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Finding the Fourth Proportional to 30,520.80, 45,741.78 and 24,600.42

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Solution

The fourth proportional to 30,520.80, 45,741.78 and 24,600.42 is: 36,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,520.80 : 45,741.78 = 24,600.42 : x
  2. Step 2: Convert to fraction form
    30,520.80/45,741.78 = 24,600.42/x
  3. Step 3: Cross multiply
    30,520.80x = 45,741.78 × 24,600.42
  4. Step 4: Simplify right side
    30,520.80x = 1,125,266,999.55
  5. Step 5: Solve for x
    x = 1,125,266,999.55/30,520.80
  6. Step 6: Final answer
    x = 36,868.86

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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.