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Finding the Fourth Proportional to 13,349,858.80, 20,023,621.80 and 4,374,410.80

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Solution

The fourth proportional to 13,349,858.80, 20,023,621.80 and 4,374,410.80 is: 6,561,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,858.80 : 20,023,621.80 = 4,374,410.80 : x
  2. Step 2: Convert to fraction form
    13,349,858.80/20,023,621.80 = 4,374,410.80/x
  3. Step 3: Cross multiply
    13,349,858.80x = 20,023,621.80 × 4,374,410.80
  4. Step 4: Simplify right side
    13,349,858.80x = 87,591,547,457,035.44
  5. Step 5: Solve for x
    x = 87,591,547,457,035.44/13,349,858.80
  6. Step 6: Final answer
    x = 6,561,234.00

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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.