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Finding the Fourth Proportional to 5,655,181.85, 8,482,772.78 and 5,655,181.85

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Solution

The fourth proportional to 5,655,181.85, 8,482,772.78 and 5,655,181.85 is: 8,482,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655,181.85 : 8,482,772.78 = 5,655,181.85 : x
  2. Step 2: Convert to fraction form
    5,655,181.85/8,482,772.78 = 5,655,181.85/x
  3. Step 3: Cross multiply
    5,655,181.85x = 8,482,772.78 × 5,655,181.85
  4. Step 4: Simplify right side
    5,655,181.85x = 47,971,622,663,130.04
  5. Step 5: Solve for x
    x = 47,971,622,663,130.04/5,655,181.85
  6. Step 6: Final answer
    x = 8,482,772.78

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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.