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Finding the Fourth Proportional to 5,991,237.60, 8,986,856.40 and 2,397,559.20

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Solution

The fourth proportional to 5,991,237.60, 8,986,856.40 and 2,397,559.20 is: 3,596,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,991,237.60 : 8,986,856.40 = 2,397,559.20 : x
  2. Step 2: Convert to fraction form
    5,991,237.60/8,986,856.40 = 2,397,559.20/x
  3. Step 3: Cross multiply
    5,991,237.60x = 8,986,856.40 × 2,397,559.20
  4. Step 4: Simplify right side
    5,991,237.60x = 21,546,520,240,898.88
  5. Step 5: Solve for x
    x = 21,546,520,240,898.88/5,991,237.60
  6. Step 6: Final answer
    x = 3,596,338.80

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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.