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Finding the Fourth Proportional to 55,640.88, 83,466.44 and 18,201.16

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Solution

The fourth proportional to 55,640.88, 83,466.44 and 18,201.16 is: 27,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,640.88 : 83,466.44 = 18,201.16 : x
  2. Step 2: Convert to fraction form
    55,640.88/83,466.44 = 18,201.16/x
  3. Step 3: Cross multiply
    55,640.88x = 83,466.44 × 18,201.16
  4. Step 4: Simplify right side
    55,640.88x = 1,519,186,029.07
  5. Step 5: Solve for x
    x = 1,519,186,029.07/55,640.88
  6. Step 6: Final answer
    x = 27,303.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.