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Finding the Fourth Proportional to 6,446,095.50, 8,895,780.09 and 3,545,562.45

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Solution

The fourth proportional to 6,446,095.50, 8,895,780.09 and 3,545,562.45 is: 4,892,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446,095.50 : 8,895,780.09 = 3,545,562.45 : x
  2. Step 2: Convert to fraction form
    6,446,095.50/8,895,780.09 = 3,545,562.45/x
  3. Step 3: Cross multiply
    6,446,095.50x = 8,895,780.09 × 3,545,562.45
  4. Step 4: Simplify right side
    6,446,095.50x = 31,540,543,850,561.62
  5. Step 5: Solve for x
    x = 31,540,543,850,561.62/6,446,095.50
  6. Step 6: Final answer
    x = 4,892,968.75

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1.5x scale

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.