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Finding the Fourth Proportional to 15,796,502.20, 22,178,876 and 15,796,502.20

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Solution

The fourth proportional to 15,796,502.20, 22,178,876 and 15,796,502.20 is: 22,178,876

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,796,502.20 : 22,178,876 = 15,796,502.20 : x
  2. Step 2: Convert to fraction form
    15,796,502.20/22,178,876 = 15,796,502.20/x
  3. Step 3: Cross multiply
    15,796,502.20x = 22,178,876 × 15,796,502.20
  4. Step 4: Simplify right side
    15,796,502.20x = 350,348,663,527,527.19
  5. Step 5: Solve for x
    x = 350,348,663,527,527.19/15,796,502.20
  6. Step 6: Final answer
    x = 22,178,876

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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.