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Finding the Fourth Proportional to 6,509.26, 9,763.91 and 1,578.89

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Solution

The fourth proportional to 6,509.26, 9,763.91 and 1,578.89 is: 2,368.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,509.26 : 9,763.91 = 1,578.89 : x
  2. Step 2: Convert to fraction form
    6,509.26/9,763.91 = 1,578.89/x
  3. Step 3: Cross multiply
    6,509.26x = 9,763.91 × 1,578.89
  4. Step 4: Simplify right side
    6,509.26x = 15,416,162.30
  5. Step 5: Solve for x
    x = 15,416,162.30/6,509.26
  6. Step 6: Final answer
    x = 2,368.34

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Similar ratio
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1.5x scale

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.