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Finding the Fourth Proportional to 9,010.52, 13,515.80 and 3,813.56

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Solution

The fourth proportional to 9,010.52, 13,515.80 and 3,813.56 is: 5,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,010.52 : 13,515.80 = 3,813.56 : x
  2. Step 2: Convert to fraction form
    9,010.52/13,515.80 = 3,813.56/x
  3. Step 3: Cross multiply
    9,010.52x = 13,515.80 × 3,813.56
  4. Step 4: Simplify right side
    9,010.52x = 51,543,314.25
  5. Step 5: Solve for x
    x = 51,543,314.25/9,010.52
  6. Step 6: Final answer
    x = 5,720.35

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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.