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Finding the Fourth Proportional to 9,914.59, 14,871.84 and 3,340.77

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Solution

The fourth proportional to 9,914.59, 14,871.84 and 3,340.77 is: 5,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.59 : 14,871.84 = 3,340.77 : x
  2. Step 2: Convert to fraction form
    9,914.59/14,871.84 = 3,340.77/x
  3. Step 3: Cross multiply
    9,914.59x = 14,871.84 × 3,340.77
  4. Step 4: Simplify right side
    9,914.59x = 49,683,396.92
  5. Step 5: Solve for x
    x = 49,683,396.92/9,914.59
  6. Step 6: Final answer
    x = 5,011.14

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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.