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Finding the Fourth Proportional to 7,297,897.88, 10,072,697.82 and 4,243,873.88

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Solution

The fourth proportional to 7,297,897.88, 10,072,697.82 and 4,243,873.88 is: 5,857,475.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297,897.88 : 10,072,697.82 = 4,243,873.88 : x
  2. Step 2: Convert to fraction form
    7,297,897.88/10,072,697.82 = 4,243,873.88/x
  3. Step 3: Cross multiply
    7,297,897.88x = 10,072,697.82 × 4,243,873.88
  4. Step 4: Simplify right side
    7,297,897.88x = 42,747,259,179,430.95
  5. Step 5: Solve for x
    x = 42,747,259,179,430.95/7,297,897.88
  6. Step 6: Final answer
    x = 5,857,475.66

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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.