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Finding the Fourth Proportional to 9,922,146.98, 13,692,388.65 and 5,571,267.62

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Solution

The fourth proportional to 9,922,146.98, 13,692,388.65 and 5,571,267.62 is: 7,688,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,922,146.98 : 13,692,388.65 = 5,571,267.62 : x
  2. Step 2: Convert to fraction form
    9,922,146.98/13,692,388.65 = 5,571,267.62/x
  3. Step 3: Cross multiply
    9,922,146.98x = 13,692,388.65 × 5,571,267.62
  4. Step 4: Simplify right side
    9,922,146.98x = 76,283,961,526,200.52
  5. Step 5: Solve for x
    x = 76,283,961,526,200.52/9,922,146.98
  6. Step 6: Final answer
    x = 7,688,251.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.