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Finding the Fourth Proportional to 34,497,078.80, 51,745,771.80 and 8,936,272.40

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Solution

The fourth proportional to 34,497,078.80, 51,745,771.80 and 8,936,272.40 is: 13,404,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,497,078.80 : 51,745,771.80 = 8,936,272.40 : x
  2. Step 2: Convert to fraction form
    34,497,078.80/51,745,771.80 = 8,936,272.40/x
  3. Step 3: Cross multiply
    34,497,078.80x = 51,745,771.80 × 8,936,272.40
  4. Step 4: Simplify right side
    34,497,078.80x = 462,414,312,353,038.31
  5. Step 5: Solve for x
    x = 462,414,312,353,038.31/34,497,078.80
  6. Step 6: Final answer
    x = 13,404,448.39

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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.