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Finding the Fourth Proportional to 5,642,697.32, 8,464,365.83 and 1,804,856.77

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Solution

The fourth proportional to 5,642,697.32, 8,464,365.83 and 1,804,856.77 is: 2,707,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642,697.32 : 8,464,365.83 = 1,804,856.77 : x
  2. Step 2: Convert to fraction form
    5,642,697.32/8,464,365.83 = 1,804,856.77/x
  3. Step 3: Cross multiply
    5,642,697.32x = 8,464,365.83 × 1,804,856.77
  4. Step 4: Simplify right side
    5,642,697.32x = 15,276,967,972,032.17
  5. Step 5: Solve for x
    x = 15,276,967,972,032.17/5,642,697.32
  6. Step 6: Final answer
    x = 2,707,387.46

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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.