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Finding the Fourth Proportional to 13,349,848.80, 20,023,606.80 and 4,374,400.80

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Solution

The fourth proportional to 13,349,848.80, 20,023,606.80 and 4,374,400.80 is: 6,561,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,848.80 : 20,023,606.80 = 4,374,400.80 : x
  2. Step 2: Convert to fraction form
    13,349,848.80/20,023,606.80 = 4,374,400.80/x
  3. Step 3: Cross multiply
    13,349,848.80x = 20,023,606.80 × 4,374,400.80
  4. Step 4: Simplify right side
    13,349,848.80x = 87,591,281,604,805.44
  5. Step 5: Solve for x
    x = 87,591,281,604,805.44/13,349,848.80
  6. Step 6: Final answer
    x = 6,561,219.00

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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.