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Finding the Fourth Proportional to 21,497,922.80, 32,246,884.20 and 21,497,922.80

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Solution

The fourth proportional to 21,497,922.80, 32,246,884.20 and 21,497,922.80 is: 32,246,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497,922.80 : 32,246,884.20 = 21,497,922.80 : x
  2. Step 2: Convert to fraction form
    21,497,922.80/32,246,884.20 = 21,497,922.80/x
  3. Step 3: Cross multiply
    21,497,922.80x = 32,246,884.20 × 21,497,922.80
  4. Step 4: Simplify right side
    21,497,922.80x = 693,241,027,072,139.75
  5. Step 5: Solve for x
    x = 693,241,027,072,139.75/21,497,922.80
  6. Step 6: Final answer
    x = 32,246,884.20

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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.