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Finding the Fourth Proportional to 6,473,509.70, 8,933,424.93 and 3,572,879.74

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Solution

The fourth proportional to 6,473,509.70, 8,933,424.93 and 3,572,879.74 is: 4,930,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,473,509.70 : 8,933,424.93 = 3,572,879.74 : x
  2. Step 2: Convert to fraction form
    6,473,509.70/8,933,424.93 = 3,572,879.74/x
  3. Step 3: Cross multiply
    6,473,509.70x = 8,933,424.93 × 3,572,879.74
  4. Step 4: Simplify right side
    6,473,509.70x = 31,918,052,918,874.35
  5. Step 5: Solve for x
    x = 31,918,052,918,874.35/6,473,509.70
  6. Step 6: Final answer
    x = 4,930,563.86

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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.