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Finding the Fourth Proportional to 5,619,507.92, 7,754,920.84 and 3,041,188.70

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Solution

The fourth proportional to 5,619,507.92, 7,754,920.84 and 3,041,188.70 is: 4,196,840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619,507.92 : 7,754,920.84 = 3,041,188.70 : x
  2. Step 2: Convert to fraction form
    5,619,507.92/7,754,920.84 = 3,041,188.70/x
  3. Step 3: Cross multiply
    5,619,507.92x = 7,754,920.84 × 3,041,188.70
  4. Step 4: Simplify right side
    5,619,507.92x = 23,584,177,574,021.96
  5. Step 5: Solve for x
    x = 23,584,177,574,021.96/5,619,507.92
  6. Step 6: Final answer
    x = 4,196,840.35

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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.