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Finding the Fourth Proportional to 8,671,514.80, 11,966,684.16 and 4,751,274.64

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Solution

The fourth proportional to 8,671,514.80, 11,966,684.16 and 4,751,274.64 is: 6,556,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671,514.80 : 11,966,684.16 = 4,751,274.64 : x
  2. Step 2: Convert to fraction form
    8,671,514.80/11,966,684.16 = 4,751,274.64/x
  3. Step 3: Cross multiply
    8,671,514.80x = 11,966,684.16 × 4,751,274.64
  4. Step 4: Simplify right side
    8,671,514.80x = 56,857,002,974,297.70
  5. Step 5: Solve for x
    x = 56,857,002,974,297.70/8,671,514.80
  6. Step 6: Final answer
    x = 6,556,755.57

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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.