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Finding the Fourth Proportional to 6,967.50, 9,615.26 and 3,823.70

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Solution

The fourth proportional to 6,967.50, 9,615.26 and 3,823.70 is: 5,276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967.50 : 9,615.26 = 3,823.70 : x
  2. Step 2: Convert to fraction form
    6,967.50/9,615.26 = 3,823.70/x
  3. Step 3: Cross multiply
    6,967.50x = 9,615.26 × 3,823.70
  4. Step 4: Simplify right side
    6,967.50x = 36,765,802.47
  5. Step 5: Solve for x
    x = 36,765,802.47/6,967.50
  6. Step 6: Final answer
    x = 5,276.76

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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.