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Finding the Fourth Proportional to 9,395,516.06, 12,965,591.64 and 5,528,287.70

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Solution

The fourth proportional to 9,395,516.06, 12,965,591.64 and 5,528,287.70 is: 7,628,907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,395,516.06 : 12,965,591.64 = 5,528,287.70 : x
  2. Step 2: Convert to fraction form
    9,395,516.06/12,965,591.64 = 5,528,287.70/x
  3. Step 3: Cross multiply
    9,395,516.06x = 12,965,591.64 × 5,528,287.70
  4. Step 4: Simplify right side
    9,395,516.06x = 71,677,520,839,779.89
  5. Step 5: Solve for x
    x = 71,677,520,839,779.89/9,395,516.06
  6. Step 6: Final answer
    x = 7,628,907.27

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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.