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Finding the Fourth Proportional to 7,616,649.11, 10,511,687.66 and 4,352,826.40

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Solution

The fourth proportional to 7,616,649.11, 10,511,687.66 and 4,352,826.40 is: 6,007,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616,649.11 : 10,511,687.66 = 4,352,826.40 : x
  2. Step 2: Convert to fraction form
    7,616,649.11/10,511,687.66 = 4,352,826.40/x
  3. Step 3: Cross multiply
    7,616,649.11x = 10,511,687.66 × 4,352,826.40
  4. Step 4: Simplify right side
    7,616,649.11x = 45,755,551,506,958.87
  5. Step 5: Solve for x
    x = 45,755,551,506,958.87/7,616,649.11
  6. Step 6: Final answer
    x = 6,007,307.27

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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.