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Finding the Fourth Proportional to 8,662,764.48, 13,006,920.49 and 4,832,071.31

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Solution

The fourth proportional to 8,662,764.48, 13,006,920.49 and 4,832,071.31 is: 7,255,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,662,764.48 : 13,006,920.49 = 4,832,071.31 : x
  2. Step 2: Convert to fraction form
    8,662,764.48/13,006,920.49 = 4,832,071.31/x
  3. Step 3: Cross multiply
    8,662,764.48x = 13,006,920.49 × 4,832,071.31
  4. Step 4: Simplify right side
    8,662,764.48x = 62,850,367,351,617.27
  5. Step 5: Solve for x
    x = 62,850,367,351,617.27/8,662,764.48
  6. Step 6: Final answer
    x = 7,255,232.15

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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.