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Finding the Fourth Proportional to 6,472,590.72, 8,932,156.84 and 3,571,960.84

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Solution

The fourth proportional to 6,472,590.72, 8,932,156.84 and 3,571,960.84 is: 4,929,295.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472,590.72 : 8,932,156.84 = 3,571,960.84 : x
  2. Step 2: Convert to fraction form
    6,472,590.72/8,932,156.84 = 3,571,960.84/x
  3. Step 3: Cross multiply
    6,472,590.72x = 8,932,156.84 × 3,571,960.84
  4. Step 4: Simplify right side
    6,472,590.72x = 31,905,314,431,352.71
  5. Step 5: Solve for x
    x = 31,905,314,431,352.71/6,472,590.72
  6. Step 6: Final answer
    x = 4,929,295.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.