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Finding the Fourth Proportional to 5,985,716.23, 8,978,574.45 and 1,436,765.02

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Solution

The fourth proportional to 5,985,716.23, 8,978,574.45 and 1,436,765.02 is: 2,155,147.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985,716.23 : 8,978,574.45 = 1,436,765.02 : x
  2. Step 2: Convert to fraction form
    5,985,716.23/8,978,574.45 = 1,436,765.02/x
  3. Step 3: Cross multiply
    5,985,716.23x = 8,978,574.45 × 1,436,765.02
  4. Step 4: Simplify right side
    5,985,716.23x = 12,900,101,699,225.74
  5. Step 5: Solve for x
    x = 12,900,101,699,225.74/5,985,716.23
  6. Step 6: Final answer
    x = 2,155,147.56

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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.