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Finding the Fourth Proportional to 8,594.72, 12,888.64 and 3,666.56

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Solution

The fourth proportional to 8,594.72, 12,888.64 and 3,666.56 is: 5,498.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,594.72 : 12,888.64 = 3,666.56 : x
  2. Step 2: Convert to fraction form
    8,594.72/12,888.64 = 3,666.56/x
  3. Step 3: Cross multiply
    8,594.72x = 12,888.64 × 3,666.56
  4. Step 4: Simplify right side
    8,594.72x = 47,256,971.88
  5. Step 5: Solve for x
    x = 47,256,971.88/8,594.72
  6. Step 6: Final answer
    x = 5,498.37

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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.