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Finding the Fourth Proportional to 6,388,764.39, 9,573,449.94 and 4,684,042.53

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Solution

The fourth proportional to 6,388,764.39, 9,573,449.94 and 4,684,042.53 is: 7,018,954.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,764.39 : 9,573,449.94 = 4,684,042.53 : x
  2. Step 2: Convert to fraction form
    6,388,764.39/9,573,449.94 = 4,684,042.53/x
  3. Step 3: Cross multiply
    6,388,764.39x = 9,573,449.94 × 4,684,042.53
  4. Step 4: Simplify right side
    6,388,764.39x = 44,842,446,677,785.95
  5. Step 5: Solve for x
    x = 44,842,446,677,785.95/6,388,764.39
  6. Step 6: Final answer
    x = 7,018,954.52

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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.