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Finding the Fourth Proportional to 9,672.30, 14,496.30 and 4,731.30

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Solution

The fourth proportional to 9,672.30, 14,496.30 and 4,731.30 is: 7,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672.30 : 14,496.30 = 4,731.30 : x
  2. Step 2: Convert to fraction form
    9,672.30/14,496.30 = 4,731.30/x
  3. Step 3: Cross multiply
    9,672.30x = 14,496.30 × 4,731.30
  4. Step 4: Simplify right side
    9,672.30x = 68,586,344.19
  5. Step 5: Solve for x
    x = 68,586,344.19/9,672.30
  6. Step 6: Final answer
    x = 7,091.01

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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.