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Finding the Fourth Proportional to 55,395.48, 83,084.82 and 17,950.68

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Solution

The fourth proportional to 55,395.48, 83,084.82 and 17,950.68 is: 26,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,395.48 : 83,084.82 = 17,950.68 : x
  2. Step 2: Convert to fraction form
    55,395.48/83,084.82 = 17,950.68/x
  3. Step 3: Cross multiply
    55,395.48x = 83,084.82 × 17,950.68
  4. Step 4: Simplify right side
    55,395.48x = 1,491,429,016.68
  5. Step 5: Solve for x
    x = 1,491,429,016.68/55,395.48
  6. Step 6: Final answer
    x = 26,923.30

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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.