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Finding the Fourth Proportional to 5,700,879.56, 7,867,116.55 and 3,087,362.41

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Solution

The fourth proportional to 5,700,879.56, 7,867,116.55 and 3,087,362.41 is: 4,260,507.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,700,879.56 : 7,867,116.55 = 3,087,362.41 : x
  2. Step 2: Convert to fraction form
    5,700,879.56/7,867,116.55 = 3,087,362.41/x
  3. Step 3: Cross multiply
    5,700,879.56x = 7,867,116.55 × 3,087,362.41
  4. Step 4: Simplify right side
    5,700,879.56x = 24,288,639,884,172.69
  5. Step 5: Solve for x
    x = 24,288,639,884,172.69/5,700,879.56
  6. Step 6: Final answer
    x = 4,260,507.46

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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.