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Finding the Fourth Proportional to 30,608.20, 45,923.10 and 29,528.20

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Solution

The fourth proportional to 30,608.20, 45,923.10 and 29,528.20 is: 44,302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608.20 : 45,923.10 = 29,528.20 : x
  2. Step 2: Convert to fraction form
    30,608.20/45,923.10 = 29,528.20/x
  3. Step 3: Cross multiply
    30,608.20x = 45,923.10 × 29,528.20
  4. Step 4: Simplify right side
    30,608.20x = 1,356,026,481.42
  5. Step 5: Solve for x
    x = 1,356,026,481.42/30,608.20
  6. Step 6: Final answer
    x = 44,302.72

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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.