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Finding the Fourth Proportional to 56,060.76, 77,320.08 and 35,919.48

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Solution

The fourth proportional to 56,060.76, 77,320.08 and 35,919.48 is: 49,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,060.76 : 77,320.08 = 35,919.48 : x
  2. Step 2: Convert to fraction form
    56,060.76/77,320.08 = 35,919.48/x
  3. Step 3: Cross multiply
    56,060.76x = 77,320.08 × 35,919.48
  4. Step 4: Simplify right side
    56,060.76x = 2,777,297,067.16
  5. Step 5: Solve for x
    x = 2,777,297,067.16/56,060.76
  6. Step 6: Final answer
    x = 49,540.84

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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.