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Finding the Fourth Proportional to 8,608,838.32, 11,794,159.82 and 8,285,978.80

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Solution

The fourth proportional to 8,608,838.32, 11,794,159.82 and 8,285,978.80 is: 11,351,840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608,838.32 : 11,794,159.82 = 8,285,978.80 : x
  2. Step 2: Convert to fraction form
    8,608,838.32/11,794,159.82 = 8,285,978.80/x
  3. Step 3: Cross multiply
    8,608,838.32x = 11,794,159.82 × 8,285,978.80
  4. Step 4: Simplify right side
    8,608,838.32x = 97,726,158,232,331.81
  5. Step 5: Solve for x
    x = 97,726,158,232,331.81/8,608,838.32
  6. Step 6: Final answer
    x = 11,351,840.35

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.