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Finding the Fourth Proportional to 43,459.20, 60,974.10 and 43,459.20

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Solution

The fourth proportional to 43,459.20, 60,974.10 and 43,459.20 is: 60,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,459.20 : 60,974.10 = 43,459.20 : x
  2. Step 2: Convert to fraction form
    43,459.20/60,974.10 = 43,459.20/x
  3. Step 3: Cross multiply
    43,459.20x = 60,974.10 × 43,459.20
  4. Step 4: Simplify right side
    43,459.20x = 2,649,885,606.72
  5. Step 5: Solve for x
    x = 2,649,885,606.72/43,459.20
  6. Step 6: Final answer
    x = 60,974.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.