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Finding the Fourth Proportional to 10,873,965.74, 15,006,611.39 and 6,745,327.11

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Solution

The fourth proportional to 10,873,965.74, 15,006,611.39 and 6,745,327.11 is: 9,308,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,873,965.74 : 15,006,611.39 = 6,745,327.11 : x
  2. Step 2: Convert to fraction form
    10,873,965.74/15,006,611.39 = 6,745,327.11/x
  3. Step 3: Cross multiply
    10,873,965.74x = 15,006,611.39 × 6,745,327.11
  4. Step 4: Simplify right side
    10,873,965.74x = 101,224,502,604,475.16
  5. Step 5: Solve for x
    x = 101,224,502,604,475.16/10,873,965.74
  6. Step 6: Final answer
    x = 9,308,885.56

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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.