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Finding the Fourth Proportional to 8,607.59, 12,911.40 and 2,367.35

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Solution

The fourth proportional to 8,607.59, 12,911.40 and 2,367.35 is: 3,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.59 : 12,911.40 = 2,367.35 : x
  2. Step 2: Convert to fraction form
    8,607.59/12,911.40 = 2,367.35/x
  3. Step 3: Cross multiply
    8,607.59x = 12,911.40 × 2,367.35
  4. Step 4: Simplify right side
    8,607.59x = 30,565,738.23
  5. Step 5: Solve for x
    x = 30,565,738.23/8,607.59
  6. Step 6: Final answer
    x = 3,551.02

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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.