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Finding the Fourth Proportional to 8,993.76, 13,492.78 and 4,063.40

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Solution

The fourth proportional to 8,993.76, 13,492.78 and 4,063.40 is: 6,096.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.76 : 13,492.78 = 4,063.40 : x
  2. Step 2: Convert to fraction form
    8,993.76/13,492.78 = 4,063.40/x
  3. Step 3: Cross multiply
    8,993.76x = 13,492.78 × 4,063.40
  4. Step 4: Simplify right side
    8,993.76x = 54,826,585.83
  5. Step 5: Solve for x
    x = 54,826,585.83/8,993.76
  6. Step 6: Final answer
    x = 6,096.07

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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.