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Finding the Fourth Proportional to 9,709.63, 14,561.44 and 3,468.78

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Solution

The fourth proportional to 9,709.63, 14,561.44 and 3,468.78 is: 5,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709.63 : 14,561.44 = 3,468.78 : x
  2. Step 2: Convert to fraction form
    9,709.63/14,561.44 = 3,468.78/x
  3. Step 3: Cross multiply
    9,709.63x = 14,561.44 × 3,468.78
  4. Step 4: Simplify right side
    9,709.63x = 50,510,423.17
  5. Step 5: Solve for x
    x = 50,510,423.17/9,709.63
  6. Step 6: Final answer
    x = 5,202.10

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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.