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Finding the Fourth Proportional to 33,643,832.80, 50,489,368.80 and 14,488,337.20

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Solution

The fourth proportional to 33,643,832.80, 50,489,368.80 and 14,488,337.20 is: 21,742,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,643,832.80 : 50,489,368.80 = 14,488,337.20 : x
  2. Step 2: Convert to fraction form
    33,643,832.80/50,489,368.80 = 14,488,337.20/x
  3. Step 3: Cross multiply
    33,643,832.80x = 50,489,368.80 × 14,488,337.20
  4. Step 4: Simplify right side
    33,643,832.80x = 731,507,000,189,559.25
  5. Step 5: Solve for x
    x = 731,507,000,189,559.25/33,643,832.80
  6. Step 6: Final answer
    x = 21,742,677.31

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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.