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Finding the Fourth Proportional to 8,565.46, 12,849.77 and 3,018.99

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Solution

The fourth proportional to 8,565.46, 12,849.77 and 3,018.99 is: 4,529.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.46 : 12,849.77 = 3,018.99 : x
  2. Step 2: Convert to fraction form
    8,565.46/12,849.77 = 3,018.99/x
  3. Step 3: Cross multiply
    8,565.46x = 12,849.77 × 3,018.99
  4. Step 4: Simplify right side
    8,565.46x = 38,793,327.13
  5. Step 5: Solve for x
    x = 38,793,327.13/8,565.46
  6. Step 6: Final answer
    x = 4,529.04

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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.