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Finding the Fourth Proportional to 5,965.71, 8,955.23 and 3,505.11

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Solution

The fourth proportional to 5,965.71, 8,955.23 and 3,505.11 is: 5,261.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,965.71 : 8,955.23 = 3,505.11 : x
  2. Step 2: Convert to fraction form
    5,965.71/8,955.23 = 3,505.11/x
  3. Step 3: Cross multiply
    5,965.71x = 8,955.23 × 3,505.11
  4. Step 4: Simplify right side
    5,965.71x = 31,389,048.70
  5. Step 5: Solve for x
    x = 31,389,048.70/5,965.71
  6. Step 6: Final answer
    x = 5,261.58

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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.