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Finding the Fourth Proportional to 16,961,874.11, 23,407,368.56 and 9,226,897.98

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Solution

The fourth proportional to 16,961,874.11, 23,407,368.56 and 9,226,897.98 is: 12,733,109.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961,874.11 : 23,407,368.56 = 9,226,897.98 : x
  2. Step 2: Convert to fraction form
    16,961,874.11/23,407,368.56 = 9,226,897.98/x
  3. Step 3: Cross multiply
    16,961,874.11x = 23,407,368.56 × 9,226,897.98
  4. Step 4: Simplify right side
    16,961,874.11x = 215,977,401,683,379.50
  5. Step 5: Solve for x
    x = 215,977,401,683,379.50/16,961,874.11
  6. Step 6: Final answer
    x = 12,733,109.58

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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.