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Finding the Fourth Proportional to 9,396, 14,096.16 and 3,240

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Solution

The fourth proportional to 9,396, 14,096.16 and 3,240 is: 4,860.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396 : 14,096.16 = 3,240 : x
  2. Step 2: Convert to fraction form
    9,396/14,096.16 = 3,240/x
  3. Step 3: Cross multiply
    9,396x = 14,096.16 × 3,240
  4. Step 4: Simplify right side
    9,396x = 45,671,558.40
  5. Step 5: Solve for x
    x = 45,671,558.40/9,396
  6. Step 6: Final answer
    x = 4,860.74

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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.