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Finding the Fourth Proportional to 43,334.66, 64,938.04 and 19,649.45

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Solution

The fourth proportional to 43,334.66, 64,938.04 and 19,649.45 is: 29,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,334.66 : 64,938.04 = 19,649.45 : x
  2. Step 2: Convert to fraction form
    43,334.66/64,938.04 = 19,649.45/x
  3. Step 3: Cross multiply
    43,334.66x = 64,938.04 × 19,649.45
  4. Step 4: Simplify right side
    43,334.66x = 1,275,996,883.30
  5. Step 5: Solve for x
    x = 1,275,996,883.30/43,334.66
  6. Step 6: Final answer
    x = 29,445.18

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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.