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Finding the Fourth Proportional to 6,804,987.60, 10,195,671.60 and 5,742,105.60

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Solution

The fourth proportional to 6,804,987.60, 10,195,671.60 and 5,742,105.60 is: 8,603,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804,987.60 : 10,195,671.60 = 5,742,105.60 : x
  2. Step 2: Convert to fraction form
    6,804,987.60/10,195,671.60 = 5,742,105.60/x
  3. Step 3: Cross multiply
    6,804,987.60x = 10,195,671.60 × 5,742,105.60
  4. Step 4: Simplify right side
    6,804,987.60x = 58,544,622,990,120.95
  5. Step 5: Solve for x
    x = 58,544,622,990,120.95/6,804,987.60
  6. Step 6: Final answer
    x = 8,603,193.19

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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.