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Finding the Fourth Proportional to 8,794,576.42, 12,139,904.87 and 8,551,885.03

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Solution

The fourth proportional to 8,794,576.42, 12,139,904.87 and 8,551,885.03 is: 11,804,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794,576.42 : 12,139,904.87 = 8,551,885.03 : x
  2. Step 2: Convert to fraction form
    8,794,576.42/12,139,904.87 = 8,551,885.03/x
  3. Step 3: Cross multiply
    8,794,576.42x = 12,139,904.87 × 8,551,885.03
  4. Step 4: Simplify right side
    8,794,576.42x = 103,819,070,682,337.48
  5. Step 5: Solve for x
    x = 103,819,070,682,337.48/8,794,576.42
  6. Step 6: Final answer
    x = 11,804,897.22

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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.