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Finding the Fourth Proportional to 15,064.30, 20,789.96 and 8,352.03

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Solution

The fourth proportional to 15,064.30, 20,789.96 and 8,352.03 is: 11,526.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,064.30 : 20,789.96 = 8,352.03 : x
  2. Step 2: Convert to fraction form
    15,064.30/20,789.96 = 8,352.03/x
  3. Step 3: Cross multiply
    15,064.30x = 20,789.96 × 8,352.03
  4. Step 4: Simplify right side
    15,064.30x = 173,638,369.62
  5. Step 5: Solve for x
    x = 173,638,369.62/15,064.30
  6. Step 6: Final answer
    x = 11,526.48

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1.5x scale

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.