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Finding the Fourth Proportional to 8,595.14, 12,789.78 and 8,565.98

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Solution

The fourth proportional to 8,595.14, 12,789.78 and 8,565.98 is: 12,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,595.14 : 12,789.78 = 8,565.98 : x
  2. Step 2: Convert to fraction form
    8,595.14/12,789.78 = 8,565.98/x
  3. Step 3: Cross multiply
    8,595.14x = 12,789.78 × 8,565.98
  4. Step 4: Simplify right side
    8,595.14x = 109,556,935.74
  5. Step 5: Solve for x
    x = 109,556,935.74/8,595.14
  6. Step 6: Final answer
    x = 12,746.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.