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Finding the Fourth Proportional to 9,339,739.80, 14,009,609.70 and 6,148,469.40

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Solution

The fourth proportional to 9,339,739.80, 14,009,609.70 and 6,148,469.40 is: 9,222,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339,739.80 : 14,009,609.70 = 6,148,469.40 : x
  2. Step 2: Convert to fraction form
    9,339,739.80/14,009,609.70 = 6,148,469.40/x
  3. Step 3: Cross multiply
    9,339,739.80x = 14,009,609.70 × 6,148,469.40
  4. Step 4: Simplify right side
    9,339,739.80x = 86,137,656,546,393.19
  5. Step 5: Solve for x
    x = 86,137,656,546,393.19/9,339,739.80
  6. Step 6: Final answer
    x = 9,222,704.10

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Similar ratio
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1.5x scale

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.