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Finding the Fourth Proportional to 4,738,472.05, 7,107,728.90 and 1,500,025.63

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Solution

The fourth proportional to 4,738,472.05, 7,107,728.90 and 1,500,025.63 is: 2,250,045.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738,472.05 : 7,107,728.90 = 1,500,025.63 : x
  2. Step 2: Convert to fraction form
    4,738,472.05/7,107,728.90 = 1,500,025.63/x
  3. Step 3: Cross multiply
    4,738,472.05x = 7,107,728.90 × 1,500,025.63
  4. Step 4: Simplify right side
    4,738,472.05x = 10,661,775,521,091.71
  5. Step 5: Solve for x
    x = 10,661,775,521,091.71/4,738,472.05
  6. Step 6: Final answer
    x = 2,250,045.04

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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.