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Finding the Fourth Proportional to 8,978,672.40, 13,468,008.60 and 2,247,075.60

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Solution

The fourth proportional to 8,978,672.40, 13,468,008.60 and 2,247,075.60 is: 3,370,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,978,672.40 : 13,468,008.60 = 2,247,075.60 : x
  2. Step 2: Convert to fraction form
    8,978,672.40/13,468,008.60 = 2,247,075.60/x
  3. Step 3: Cross multiply
    8,978,672.40x = 13,468,008.60 × 2,247,075.60
  4. Step 4: Simplify right side
    8,978,672.40x = 30,263,633,505,650.16
  5. Step 5: Solve for x
    x = 30,263,633,505,650.16/8,978,672.40
  6. Step 6: Final answer
    x = 3,370,613.40

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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.