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Finding the Fourth Proportional to 9,456, 13,052.52 and 5,730

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Solution

The fourth proportional to 9,456, 13,052.52 and 5,730 is: 7,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,456 : 13,052.52 = 5,730 : x
  2. Step 2: Convert to fraction form
    9,456/13,052.52 = 5,730/x
  3. Step 3: Cross multiply
    9,456x = 13,052.52 × 5,730
  4. Step 4: Simplify right side
    9,456x = 74,790,939.60
  5. Step 5: Solve for x
    x = 74,790,939.60/9,456
  6. Step 6: Final answer
    x = 7,909.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.