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Finding the Fourth Proportional to 5,666,327.78, 7,819,304.19 and 3,087,953.19

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Solution

The fourth proportional to 5,666,327.78, 7,819,304.19 and 3,087,953.19 is: 4,261,251.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666,327.78 : 7,819,304.19 = 3,087,953.19 : x
  2. Step 2: Convert to fraction form
    5,666,327.78/7,819,304.19 = 3,087,953.19/x
  3. Step 3: Cross multiply
    5,666,327.78x = 7,819,304.19 × 3,087,953.19
  4. Step 4: Simplify right side
    5,666,327.78x = 24,145,645,317,090.87
  5. Step 5: Solve for x
    x = 24,145,645,317,090.87/5,666,327.78
  6. Step 6: Final answer
    x = 4,261,251.07

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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.