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Finding the Fourth Proportional to 56,443.88, 77,884.85 and 33,777.60

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Solution

The fourth proportional to 56,443.88, 77,884.85 and 33,777.60 is: 46,608.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,443.88 : 77,884.85 = 33,777.60 : x
  2. Step 2: Convert to fraction form
    56,443.88/77,884.85 = 33,777.60/x
  3. Step 3: Cross multiply
    56,443.88x = 77,884.85 × 33,777.60
  4. Step 4: Simplify right side
    56,443.88x = 2,630,763,309.36
  5. Step 5: Solve for x
    x = 2,630,763,309.36/56,443.88
  6. Step 6: Final answer
    x = 46,608.48

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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.