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Finding the Fourth Proportional to 55,483, 83,235.44 and 18,040.66

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Solution

The fourth proportional to 55,483, 83,235.44 and 18,040.66 is: 27,064.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,483 : 83,235.44 = 18,040.66 : x
  2. Step 2: Convert to fraction form
    55,483/83,235.44 = 18,040.66/x
  3. Step 3: Cross multiply
    55,483x = 83,235.44 × 18,040.66
  4. Step 4: Simplify right side
    55,483x = 1,501,622,272.99
  5. Step 5: Solve for x
    x = 1,501,622,272.99/55,483
  6. Step 6: Final answer
    x = 27,064.55

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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.