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Finding the Fourth Proportional to 10,925,388.60, 16,388,082.90 and 10,925,388.60

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Solution

The fourth proportional to 10,925,388.60, 16,388,082.90 and 10,925,388.60 is: 16,388,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925,388.60 : 16,388,082.90 = 10,925,388.60 : x
  2. Step 2: Convert to fraction form
    10,925,388.60/16,388,082.90 = 10,925,388.60/x
  3. Step 3: Cross multiply
    10,925,388.60x = 16,388,082.90 × 10,925,388.60
  4. Step 4: Simplify right side
    10,925,388.60x = 179,046,174,091,514.94
  5. Step 5: Solve for x
    x = 179,046,174,091,514.94/10,925,388.60
  6. Step 6: Final answer
    x = 16,388,082.90

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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.