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Finding the Fourth Proportional to 5,862,555.40, 8,795,906.70 and 5,655,195.40

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Solution

The fourth proportional to 5,862,555.40, 8,795,906.70 and 5,655,195.40 is: 8,484,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862,555.40 : 8,795,906.70 = 5,655,195.40 : x
  2. Step 2: Convert to fraction form
    5,862,555.40/8,795,906.70 = 5,655,195.40/x
  3. Step 3: Cross multiply
    5,862,555.40x = 8,795,906.70 × 5,655,195.40
  4. Step 4: Simplify right side
    5,862,555.40x = 49,742,571,108,669.18
  5. Step 5: Solve for x
    x = 49,742,571,108,669.18/5,862,555.40
  6. Step 6: Final answer
    x = 8,484,793.36

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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.