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Finding the Fourth Proportional to 3,588.48, 5,382.95 and 955.94

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Solution

The fourth proportional to 3,588.48, 5,382.95 and 955.94 is: 1,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.48 : 5,382.95 = 955.94 : x
  2. Step 2: Convert to fraction form
    3,588.48/5,382.95 = 955.94/x
  3. Step 3: Cross multiply
    3,588.48x = 5,382.95 × 955.94
  4. Step 4: Simplify right side
    3,588.48x = 5,145,745.53
  5. Step 5: Solve for x
    x = 5,145,745.53/3,588.48
  6. Step 6: Final answer
    x = 1,433.96

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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.