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Finding the Fourth Proportional to 3,710,818.10, 5,557,369.80 and 3,710,818.10

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Solution

The fourth proportional to 3,710,818.10, 5,557,369.80 and 3,710,818.10 is: 5,557,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710,818.10 : 5,557,369.80 = 3,710,818.10 : x
  2. Step 2: Convert to fraction form
    3,710,818.10/5,557,369.80 = 3,710,818.10/x
  3. Step 3: Cross multiply
    3,710,818.10x = 5,557,369.80 × 3,710,818.10
  4. Step 4: Simplify right side
    3,710,818.10x = 20,622,388,442,233.38
  5. Step 5: Solve for x
    x = 20,622,388,442,233.38/3,710,818.10
  6. Step 6: Final answer
    x = 5,557,369.80

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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.