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Finding the Fourth Proportional to 55,900.38, 83,850.57 and 14,347.38

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Solution

The fourth proportional to 55,900.38, 83,850.57 and 14,347.38 is: 21,521.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,900.38 : 83,850.57 = 14,347.38 : x
  2. Step 2: Convert to fraction form
    55,900.38/83,850.57 = 14,347.38/x
  3. Step 3: Cross multiply
    55,900.38x = 83,850.57 × 14,347.38
  4. Step 4: Simplify right side
    55,900.38x = 1,203,035,991.01
  5. Step 5: Solve for x
    x = 1,203,035,991.01/55,900.38
  6. Step 6: Final answer
    x = 21,521.07

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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.