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Finding the Fourth Proportional to 8,671,207.79, 11,965,394.67 and 4,803,006.17

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Solution

The fourth proportional to 8,671,207.79, 11,965,394.67 and 4,803,006.17 is: 6,627,665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671,207.79 : 11,965,394.67 = 4,803,006.17 : x
  2. Step 2: Convert to fraction form
    8,671,207.79/11,965,394.67 = 4,803,006.17/x
  3. Step 3: Cross multiply
    8,671,207.79x = 11,965,394.67 × 4,803,006.17
  4. Step 4: Simplify right side
    8,671,207.79x = 57,469,864,426,495.11
  5. Step 5: Solve for x
    x = 57,469,864,426,495.11/8,671,207.79
  6. Step 6: Final answer
    x = 6,627,665.47

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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.