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Finding the Fourth Proportional to 5,986.79, 8,261.79 and 3,334.30

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Solution

The fourth proportional to 5,986.79, 8,261.79 and 3,334.30 is: 4,601.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.79 : 8,261.79 = 3,334.30 : x
  2. Step 2: Convert to fraction form
    5,986.79/8,261.79 = 3,334.30/x
  3. Step 3: Cross multiply
    5,986.79x = 8,261.79 × 3,334.30
  4. Step 4: Simplify right side
    5,986.79x = 27,547,253.24
  5. Step 5: Solve for x
    x = 27,547,253.24/5,986.79
  6. Step 6: Final answer
    x = 4,601.34

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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.