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Finding the Fourth Proportional to 7,751,552.60, 11,627,328.74 and 3,202,719.23

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Solution

The fourth proportional to 7,751,552.60, 11,627,328.74 and 3,202,719.23 is: 4,804,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751,552.60 : 11,627,328.74 = 3,202,719.23 : x
  2. Step 2: Convert to fraction form
    7,751,552.60/11,627,328.74 = 3,202,719.23/x
  3. Step 3: Cross multiply
    7,751,552.60x = 11,627,328.74 × 3,202,719.23
  4. Step 4: Simplify right side
    7,751,552.60x = 37,239,069,349,129.67
  5. Step 5: Solve for x
    x = 37,239,069,349,129.67/7,751,552.60
  6. Step 6: Final answer
    x = 4,804,078.78

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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.