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Finding the Fourth Proportional to 55,963.69, 77,228.10 and 33,297.48

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Solution

The fourth proportional to 55,963.69, 77,228.10 and 33,297.48 is: 45,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,963.69 : 77,228.10 = 33,297.48 : x
  2. Step 2: Convert to fraction form
    55,963.69/77,228.10 = 33,297.48/x
  3. Step 3: Cross multiply
    55,963.69x = 77,228.10 × 33,297.48
  4. Step 4: Simplify right side
    55,963.69x = 2,571,501,529.66
  5. Step 5: Solve for x
    x = 2,571,501,529.66/55,963.69
  6. Step 6: Final answer
    x = 45,949.47

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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.