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Finding the Fourth Proportional to 56,342.44, 77,753.76 and 30,849.88

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Solution

The fourth proportional to 56,342.44, 77,753.76 and 30,849.88 is: 42,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,342.44 : 77,753.76 = 30,849.88 : x
  2. Step 2: Convert to fraction form
    56,342.44/77,753.76 = 30,849.88/x
  3. Step 3: Cross multiply
    56,342.44x = 77,753.76 × 30,849.88
  4. Step 4: Simplify right side
    56,342.44x = 2,398,694,165.55
  5. Step 5: Solve for x
    x = 2,398,694,165.55/56,342.44
  6. Step 6: Final answer
    x = 42,573.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.