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Finding the Fourth Proportional to 44,649.20, 66,973.80 and 43,353.20

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Solution

The fourth proportional to 44,649.20, 66,973.80 and 43,353.20 is: 65,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,649.20 : 66,973.80 = 43,353.20 : x
  2. Step 2: Convert to fraction form
    44,649.20/66,973.80 = 43,353.20/x
  3. Step 3: Cross multiply
    44,649.20x = 66,973.80 × 43,353.20
  4. Step 4: Simplify right side
    44,649.20x = 2,903,528,546.16
  5. Step 5: Solve for x
    x = 2,903,528,546.16/44,649.20
  6. Step 6: Final answer
    x = 65,029.80

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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.