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Finding the Fourth Proportional to 8,914.95, 13,362.71 and 3,714.75

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Solution

The fourth proportional to 8,914.95, 13,362.71 and 3,714.75 is: 5,568.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.95 : 13,362.71 = 3,714.75 : x
  2. Step 2: Convert to fraction form
    8,914.95/13,362.71 = 3,714.75/x
  3. Step 3: Cross multiply
    8,914.95x = 13,362.71 × 3,714.75
  4. Step 4: Simplify right side
    8,914.95x = 49,639,108.40
  5. Step 5: Solve for x
    x = 49,639,108.40/8,914.95
  6. Step 6: Final answer
    x = 5,568.07

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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.