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Finding the Fourth Proportional to 8,404,996.53, 11,601,797.60 and 4,921,455.11

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Solution

The fourth proportional to 8,404,996.53, 11,601,797.60 and 4,921,455.11 is: 6,793,307.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404,996.53 : 11,601,797.60 = 4,921,455.11 : x
  2. Step 2: Convert to fraction form
    8,404,996.53/11,601,797.60 = 4,921,455.11/x
  3. Step 3: Cross multiply
    8,404,996.53x = 11,601,797.60 × 4,921,455.11
  4. Step 4: Simplify right side
    8,404,996.53x = 57,097,726,001,089.48
  5. Step 5: Solve for x
    x = 57,097,726,001,089.48/8,404,996.53
  6. Step 6: Final answer
    x = 6,793,307.50

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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.