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Finding the Fourth Proportional to 44,301.90, 66,429.90 and 13,133.10

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Solution

The fourth proportional to 44,301.90, 66,429.90 and 13,133.10 is: 19,692.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,301.90 : 66,429.90 = 13,133.10 : x
  2. Step 2: Convert to fraction form
    44,301.90/66,429.90 = 13,133.10/x
  3. Step 3: Cross multiply
    44,301.90x = 66,429.90 × 13,133.10
  4. Step 4: Simplify right side
    44,301.90x = 872,430,519.69
  5. Step 5: Solve for x
    x = 872,430,519.69/44,301.90
  6. Step 6: Final answer
    x = 19,692.85

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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.