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Finding the Fourth Proportional to 42,245.44, 63,290.40 and 37,579.84

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Solution

The fourth proportional to 42,245.44, 63,290.40 and 37,579.84 is: 56,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,245.44 : 63,290.40 = 37,579.84 : x
  2. Step 2: Convert to fraction form
    42,245.44/63,290.40 = 37,579.84/x
  3. Step 3: Cross multiply
    42,245.44x = 63,290.40 × 37,579.84
  4. Step 4: Simplify right side
    42,245.44x = 2,378,443,105.54
  5. Step 5: Solve for x
    x = 2,378,443,105.54/42,245.44
  6. Step 6: Final answer
    x = 56,300.59

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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.