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Finding the Fourth Proportional to 47,375.01, 70,982.22 and 28,615.63

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Solution

The fourth proportional to 47,375.01, 70,982.22 and 28,615.63 is: 42,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,375.01 : 70,982.22 = 28,615.63 : x
  2. Step 2: Convert to fraction form
    47,375.01/70,982.22 = 28,615.63/x
  3. Step 3: Cross multiply
    47,375.01x = 70,982.22 × 28,615.63
  4. Step 4: Simplify right side
    47,375.01x = 2,031,200,944.10
  5. Step 5: Solve for x
    x = 2,031,200,944.10/47,375.01
  6. Step 6: Final answer
    x = 42,874.94

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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.