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Finding the Fourth Proportional to 8,911,849.61, 13,369,493.01 and 3,794,185.77

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Solution

The fourth proportional to 8,911,849.61, 13,369,493.01 and 3,794,185.77 is: 5,692,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911,849.61 : 13,369,493.01 = 3,794,185.77 : x
  2. Step 2: Convert to fraction form
    8,911,849.61/13,369,493.01 = 3,794,185.77/x
  3. Step 3: Cross multiply
    8,911,849.61x = 13,369,493.01 × 3,794,185.77
  4. Step 4: Simplify right side
    8,911,849.61x = 50,726,340,130,656.47
  5. Step 5: Solve for x
    x = 50,726,340,130,656.47/8,911,849.61
  6. Step 6: Final answer
    x = 5,692,010.34

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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.