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Finding the Fourth Proportional to 43,406, 59,903.28 and 24,543.20

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Solution

The fourth proportional to 43,406, 59,903.28 and 24,543.20 is: 33,871.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,406 : 59,903.28 = 24,543.20 : x
  2. Step 2: Convert to fraction form
    43,406/59,903.28 = 24,543.20/x
  3. Step 3: Cross multiply
    43,406x = 59,903.28 × 24,543.20
  4. Step 4: Simplify right side
    43,406x = 1,470,218,181.70
  5. Step 5: Solve for x
    x = 1,470,218,181.70/43,406
  6. Step 6: Final answer
    x = 33,871.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.