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Finding the Fourth Proportional to 21,888,022.80, 32,832,034.22 and 21,888,022.80

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Solution

The fourth proportional to 21,888,022.80, 32,832,034.22 and 21,888,022.80 is: 32,832,034.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,022.80 : 32,832,034.22 = 21,888,022.80 : x
  2. Step 2: Convert to fraction form
    21,888,022.80/32,832,034.22 = 21,888,022.80/x
  3. Step 3: Cross multiply
    21,888,022.80x = 32,832,034.22 × 21,888,022.80
  4. Step 4: Simplify right side
    21,888,022.80x = 718,628,313,577,740.25
  5. Step 5: Solve for x
    x = 718,628,313,577,740.25/21,888,022.80
  6. Step 6: Final answer
    x = 32,832,034.22

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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.