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Finding the Fourth Proportional to 55,995.51, 77,286.38 and 35,583.51

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Solution

The fourth proportional to 55,995.51, 77,286.38 and 35,583.51 is: 49,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,995.51 : 77,286.38 = 35,583.51 : x
  2. Step 2: Convert to fraction form
    55,995.51/77,286.38 = 35,583.51/x
  3. Step 3: Cross multiply
    55,995.51x = 77,286.38 × 35,583.51
  4. Step 4: Simplify right side
    55,995.51x = 2,750,120,497.68
  5. Step 5: Solve for x
    x = 2,750,120,497.68/55,995.51
  6. Step 6: Final answer
    x = 49,113.23

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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.