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Finding the Fourth Proportional to 32,869,678.82, 45,374,685.99 and 19,643,523.26

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Solution

The fourth proportional to 32,869,678.82, 45,374,685.99 and 19,643,523.26 is: 27,116,745.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,869,678.82 : 45,374,685.99 = 19,643,523.26 : x
  2. Step 2: Convert to fraction form
    32,869,678.82/45,374,685.99 = 19,643,523.26/x
  3. Step 3: Cross multiply
    32,869,678.82x = 45,374,685.99 × 19,643,523.26
  4. Step 4: Simplify right side
    32,869,678.82x = 891,318,699,659,761.25
  5. Step 5: Solve for x
    x = 891,318,699,659,761.25/32,869,678.82
  6. Step 6: Final answer
    x = 27,116,745.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.