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Finding the Fourth Proportional to 6,453,604.47, 8,905,636.07 and 3,552,428.69

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Solution

The fourth proportional to 6,453,604.47, 8,905,636.07 and 3,552,428.69 is: 4,902,165.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453,604.47 : 8,905,636.07 = 3,552,428.69 : x
  2. Step 2: Convert to fraction form
    6,453,604.47/8,905,636.07 = 3,552,428.69/x
  3. Step 3: Cross multiply
    6,453,604.47x = 8,905,636.07 × 3,552,428.69
  4. Step 4: Simplify right side
    6,453,604.47x = 31,636,637,077,766.85
  5. Step 5: Solve for x
    x = 31,636,637,077,766.85/6,453,604.47
  6. Step 6: Final answer
    x = 4,902,165.48

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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.