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Finding the Fourth Proportional to 6,690,396.16, 9,985,034.56 and 6,044,696.96

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Solution

The fourth proportional to 6,690,396.16, 9,985,034.56 and 6,044,696.96 is: 9,021,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,396.16 : 9,985,034.56 = 6,044,696.96 : x
  2. Step 2: Convert to fraction form
    6,690,396.16/9,985,034.56 = 6,044,696.96/x
  3. Step 3: Cross multiply
    6,690,396.16x = 9,985,034.56 × 6,044,696.96
  4. Step 4: Simplify right side
    6,690,396.16x = 60,356,508,050,326.94
  5. Step 5: Solve for x
    x = 60,356,508,050,326.94/6,690,396.16
  6. Step 6: Final answer
    x = 9,021,365.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.