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Finding the Fourth Proportional to 5,322.48, 7,986.12 and 2,037.12

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Solution

The fourth proportional to 5,322.48, 7,986.12 and 2,037.12 is: 3,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.48 : 7,986.12 = 2,037.12 : x
  2. Step 2: Convert to fraction form
    5,322.48/7,986.12 = 2,037.12/x
  3. Step 3: Cross multiply
    5,322.48x = 7,986.12 × 2,037.12
  4. Step 4: Simplify right side
    5,322.48x = 16,268,684.77
  5. Step 5: Solve for x
    x = 16,268,684.77/5,322.48
  6. Step 6: Final answer
    x = 3,056.60

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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.