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Finding the Fourth Proportional to 8,041,796.80, 12,062,695.20 and 5,301,923.20

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Solution

The fourth proportional to 8,041,796.80, 12,062,695.20 and 5,301,923.20 is: 7,952,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,041,796.80 : 12,062,695.20 = 5,301,923.20 : x
  2. Step 2: Convert to fraction form
    8,041,796.80/12,062,695.20 = 5,301,923.20/x
  3. Step 3: Cross multiply
    8,041,796.80x = 12,062,695.20 × 5,301,923.20
  4. Step 4: Simplify right side
    8,041,796.80x = 63,955,483,535,408.64
  5. Step 5: Solve for x
    x = 63,955,483,535,408.64/8,041,796.80
  6. Step 6: Final answer
    x = 7,952,884.80

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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.