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Finding the Fourth Proportional to 7,008,045.15, 10,512,067.73 and 7,008,045.15

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Solution

The fourth proportional to 7,008,045.15, 10,512,067.73 and 7,008,045.15 is: 10,512,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008,045.15 : 10,512,067.73 = 7,008,045.15 : x
  2. Step 2: Convert to fraction form
    7,008,045.15/10,512,067.73 = 7,008,045.15/x
  3. Step 3: Cross multiply
    7,008,045.15x = 10,512,067.73 × 7,008,045.15
  4. Step 4: Simplify right side
    7,008,045.15x = 73,669,045,236,657.78
  5. Step 5: Solve for x
    x = 73,669,045,236,657.78/7,008,045.15
  6. Step 6: Final answer
    x = 10,512,067.73

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1.5x scale

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.