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Finding the Fourth Proportional to 5,845.79, 8,772.88 and 3,967

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Solution

The fourth proportional to 5,845.79, 8,772.88 and 3,967 is: 5,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.79 : 8,772.88 = 3,967 : x
  2. Step 2: Convert to fraction form
    5,845.79/8,772.88 = 3,967/x
  3. Step 3: Cross multiply
    5,845.79x = 8,772.88 × 3,967
  4. Step 4: Simplify right side
    5,845.79x = 34,802,014.96
  5. Step 5: Solve for x
    x = 34,802,014.96/5,845.79
  6. Step 6: Final answer
    x = 5,953.35

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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.