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Finding the Fourth Proportional to 8,662,764.62, 13,006,920.94 and 4,832,071.46

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Solution

The fourth proportional to 8,662,764.62, 13,006,920.94 and 4,832,071.46 is: 7,255,232.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,662,764.62 : 13,006,920.94 = 4,832,071.46 : x
  2. Step 2: Convert to fraction form
    8,662,764.62/13,006,920.94 = 4,832,071.46/x
  3. Step 3: Cross multiply
    8,662,764.62x = 13,006,920.94 × 4,832,071.46
  4. Step 4: Simplify right side
    8,662,764.62x = 62,850,371,456,650.37
  5. Step 5: Solve for x
    x = 62,850,371,456,650.37/8,662,764.62
  6. Step 6: Final answer
    x = 7,255,232.51

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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.