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Finding the Fourth Proportional to 6,403,897.53, 8,837,448.30 and 3,503,226.11

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Solution

The fourth proportional to 6,403,897.53, 8,837,448.30 and 3,503,226.11 is: 4,834,490.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403,897.53 : 8,837,448.30 = 3,503,226.11 : x
  2. Step 2: Convert to fraction form
    6,403,897.53/8,837,448.30 = 3,503,226.11/x
  3. Step 3: Cross multiply
    6,403,897.53x = 8,837,448.30 × 3,503,226.11
  4. Step 4: Simplify right side
    6,403,897.53x = 30,959,579,586,147.88
  5. Step 5: Solve for x
    x = 30,959,579,586,147.88/6,403,897.53
  6. Step 6: Final answer
    x = 4,834,490.16

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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.