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Finding the Fourth Proportional to 6,393,715.83, 9,582,306.89 and 4,783,646.43

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Solution

The fourth proportional to 6,393,715.83, 9,582,306.89 and 4,783,646.43 is: 7,169,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393,715.83 : 9,582,306.89 = 4,783,646.43 : x
  2. Step 2: Convert to fraction form
    6,393,715.83/9,582,306.89 = 4,783,646.43/x
  3. Step 3: Cross multiply
    6,393,715.83x = 9,582,306.89 × 4,783,646.43
  4. Step 4: Simplify right side
    6,393,715.83x = 45,838,368,121,594.66
  5. Step 5: Solve for x
    x = 45,838,368,121,594.66/6,393,715.83
  6. Step 6: Final answer
    x = 7,169,284.55

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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.