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Finding the Fourth Proportional to 8,751,699.72, 12,077,951.85 and 4,884,976.80

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Solution

The fourth proportional to 8,751,699.72, 12,077,951.85 and 4,884,976.80 is: 6,741,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751,699.72 : 12,077,951.85 = 4,884,976.80 : x
  2. Step 2: Convert to fraction form
    8,751,699.72/12,077,951.85 = 4,884,976.80/x
  3. Step 3: Cross multiply
    8,751,699.72x = 12,077,951.85 × 4,884,976.80
  4. Step 4: Simplify right side
    8,751,699.72x = 59,000,514,578,767.08
  5. Step 5: Solve for x
    x = 59,000,514,578,767.08/8,751,699.72
  6. Step 6: Final answer
    x = 6,741,606.37

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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.