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Finding the Fourth Proportional to 4,751,611.82, 6,562,635.82 and 3,221,061.74

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Solution

The fourth proportional to 4,751,611.82, 6,562,635.82 and 3,221,061.74 is: 4,448,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751,611.82 : 6,562,635.82 = 3,221,061.74 : x
  2. Step 2: Convert to fraction form
    4,751,611.82/6,562,635.82 = 3,221,061.74/x
  3. Step 3: Cross multiply
    4,751,611.82x = 6,562,635.82 × 3,221,061.74
  4. Step 4: Simplify right side
    4,751,611.82x = 21,138,655,112,489.69
  5. Step 5: Solve for x
    x = 21,138,655,112,489.69/4,751,611.82
  6. Step 6: Final answer
    x = 4,448,733.60

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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.