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Finding the Fourth Proportional to 5,915,959.96, 8,860,340.56 and 3,756,823.96

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Solution

The fourth proportional to 5,915,959.96, 8,860,340.56 and 3,756,823.96 is: 5,626,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915,959.96 : 8,860,340.56 = 3,756,823.96 : x
  2. Step 2: Convert to fraction form
    5,915,959.96/8,860,340.56 = 3,756,823.96/x
  3. Step 3: Cross multiply
    5,915,959.96x = 8,860,340.56 × 3,756,823.96
  4. Step 4: Simplify right side
    5,915,959.96x = 33,286,739,709,567.82
  5. Step 5: Solve for x
    x = 33,286,739,709,567.82/5,915,959.96
  6. Step 6: Final answer
    x = 5,626,599.90

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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.