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Finding the Fourth Proportional to 6,400,907.22, 9,591,248.69 and 5,196,947.33

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Solution

The fourth proportional to 6,400,907.22, 9,591,248.69 and 5,196,947.33 is: 7,787,210.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400,907.22 : 9,591,248.69 = 5,196,947.33 : x
  2. Step 2: Convert to fraction form
    6,400,907.22/9,591,248.69 = 5,196,947.33/x
  3. Step 3: Cross multiply
    6,400,907.22x = 9,591,248.69 × 5,196,947.33
  4. Step 4: Simplify right side
    6,400,907.22x = 49,845,214,196,920.52
  5. Step 5: Solve for x
    x = 49,845,214,196,920.52/6,400,907.22
  6. Step 6: Final answer
    x = 7,787,210.86

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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.