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Finding the Fourth Proportional to 15,696,015.30, 22,024,809.90 and 15,696,015.30

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Solution

The fourth proportional to 15,696,015.30, 22,024,809.90 and 15,696,015.30 is: 22,024,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696,015.30 : 22,024,809.90 = 15,696,015.30 : x
  2. Step 2: Convert to fraction form
    15,696,015.30/22,024,809.90 = 15,696,015.30/x
  3. Step 3: Cross multiply
    15,696,015.30x = 22,024,809.90 × 15,696,015.30
  4. Step 4: Simplify right side
    15,696,015.30x = 345,701,753,169,991.44
  5. Step 5: Solve for x
    x = 345,701,753,169,991.44/15,696,015.30
  6. Step 6: Final answer
    x = 22,024,809.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.