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Finding the Fourth Proportional to 9,871.68, 14,802.60 and 3,295.60

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Solution

The fourth proportional to 9,871.68, 14,802.60 and 3,295.60 is: 4,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871.68 : 14,802.60 = 3,295.60 : x
  2. Step 2: Convert to fraction form
    9,871.68/14,802.60 = 3,295.60/x
  3. Step 3: Cross multiply
    9,871.68x = 14,802.60 × 3,295.60
  4. Step 4: Simplify right side
    9,871.68x = 48,783,448.56
  5. Step 5: Solve for x
    x = 48,783,448.56/9,871.68
  6. Step 6: Final answer
    x = 4,941.76

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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.