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Finding the Fourth Proportional to 8,577,326.72, 12,865,994.64 and 5,384,694.92

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Solution

The fourth proportional to 8,577,326.72, 12,865,994.64 and 5,384,694.92 is: 8,077,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577,326.72 : 12,865,994.64 = 5,384,694.92 : x
  2. Step 2: Convert to fraction form
    8,577,326.72/12,865,994.64 = 5,384,694.92/x
  3. Step 3: Cross multiply
    8,577,326.72x = 12,865,994.64 × 5,384,694.92
  4. Step 4: Simplify right side
    8,577,326.72x = 69,279,455,914,425.26
  5. Step 5: Solve for x
    x = 69,279,455,914,425.26/8,577,326.72
  6. Step 6: Final answer
    x = 8,077,045.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.