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Finding the Fourth Proportional to 6,349.76, 8,762.96 and 3,555.26

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Solution

The fourth proportional to 6,349.76, 8,762.96 and 3,555.26 is: 4,906.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,349.76 : 8,762.96 = 3,555.26 : x
  2. Step 2: Convert to fraction form
    6,349.76/8,762.96 = 3,555.26/x
  3. Step 3: Cross multiply
    6,349.76x = 8,762.96 × 3,555.26
  4. Step 4: Simplify right side
    6,349.76x = 31,154,583.39
  5. Step 5: Solve for x
    x = 31,154,583.39/6,349.76
  6. Step 6: Final answer
    x = 4,906.42

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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.