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Finding the Fourth Proportional to 30,234.40, 45,400.20 and 22,847.20

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Solution

The fourth proportional to 30,234.40, 45,400.20 and 22,847.20 is: 34,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,234.40 : 45,400.20 = 22,847.20 : x
  2. Step 2: Convert to fraction form
    30,234.40/45,400.20 = 22,847.20/x
  3. Step 3: Cross multiply
    30,234.40x = 45,400.20 × 22,847.20
  4. Step 4: Simplify right side
    30,234.40x = 1,037,267,449.44
  5. Step 5: Solve for x
    x = 1,037,267,449.44/30,234.40
  6. Step 6: Final answer
    x = 34,307.53

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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.