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Finding the Fourth Proportional to 44,223.90, 66,246.93 and 21,969.90

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Solution

The fourth proportional to 44,223.90, 66,246.93 and 21,969.90 is: 32,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,223.90 : 66,246.93 = 21,969.90 : x
  2. Step 2: Convert to fraction form
    44,223.90/66,246.93 = 21,969.90/x
  3. Step 3: Cross multiply
    44,223.90x = 66,246.93 × 21,969.90
  4. Step 4: Simplify right side
    44,223.90x = 1,455,438,427.41
  5. Step 5: Solve for x
    x = 1,455,438,427.41/44,223.90
  6. Step 6: Final answer
    x = 32,910.68

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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.