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Finding the Fourth Proportional to 6,557,548.38, 9,836,978.70 and 2,008,544.64

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Solution

The fourth proportional to 6,557,548.38, 9,836,978.70 and 2,008,544.64 is: 3,013,017.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,557,548.38 : 9,836,978.70 = 2,008,544.64 : x
  2. Step 2: Convert to fraction form
    6,557,548.38/9,836,978.70 = 2,008,544.64/x
  3. Step 3: Cross multiply
    6,557,548.38x = 9,836,978.70 × 2,008,544.64
  4. Step 4: Simplify right side
    6,557,548.38x = 19,758,010,841,679.16
  5. Step 5: Solve for x
    x = 19,758,010,841,679.16/6,557,548.38
  6. Step 6: Final answer
    x = 3,013,017.93

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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.