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Finding the Fourth Proportional to 8,876,918.50, 12,250,026.48 and 4,956,735.13

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Solution

The fourth proportional to 8,876,918.50, 12,250,026.48 and 4,956,735.13 is: 6,840,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876,918.50 : 12,250,026.48 = 4,956,735.13 : x
  2. Step 2: Convert to fraction form
    8,876,918.50/12,250,026.48 = 4,956,735.13/x
  3. Step 3: Cross multiply
    8,876,918.50x = 12,250,026.48 × 4,956,735.13
  4. Step 4: Simplify right side
    8,876,918.50x = 60,720,136,596,846.24
  5. Step 5: Solve for x
    x = 60,720,136,596,846.24/8,876,918.50
  6. Step 6: Final answer
    x = 6,840,226.89

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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.