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Finding the Fourth Proportional to 11,763,948.40, 17,616,431.40 and 9,404,652.40

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Solution

The fourth proportional to 11,763,948.40, 17,616,431.40 and 9,404,652.40 is: 14,083,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763,948.40 : 17,616,431.40 = 9,404,652.40 : x
  2. Step 2: Convert to fraction form
    11,763,948.40/17,616,431.40 = 9,404,652.40/x
  3. Step 3: Cross multiply
    11,763,948.40x = 17,616,431.40 × 9,404,652.40
  4. Step 4: Simplify right side
    11,763,948.40x = 165,676,413,845,445.34
  5. Step 5: Solve for x
    x = 165,676,413,845,445.34/11,763,948.40
  6. Step 6: Final answer
    x = 14,083,401.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.