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Finding the Fourth Proportional to 6,645,695.85, 9,968,542.65 and 1,597,006.35

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Solution

The fourth proportional to 6,645,695.85, 9,968,542.65 and 1,597,006.35 is: 2,395,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,695.85 : 9,968,542.65 = 1,597,006.35 : x
  2. Step 2: Convert to fraction form
    6,645,695.85/9,968,542.65 = 1,597,006.35/x
  3. Step 3: Cross multiply
    6,645,695.85x = 9,968,542.65 × 1,597,006.35
  4. Step 4: Simplify right side
    6,645,695.85x = 15,919,825,912,295.83
  5. Step 5: Solve for x
    x = 15,919,825,912,295.83/6,645,695.85
  6. Step 6: Final answer
    x = 2,395,509.25

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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.