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Finding the Fourth Proportional to 47,286.64, 65,254.76 and 25,776.62

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Solution

The fourth proportional to 47,286.64, 65,254.76 and 25,776.62 is: 35,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,286.64 : 65,254.76 = 25,776.62 : x
  2. Step 2: Convert to fraction form
    47,286.64/65,254.76 = 25,776.62/x
  3. Step 3: Cross multiply
    47,286.64x = 65,254.76 × 25,776.62
  4. Step 4: Simplify right side
    47,286.64x = 1,682,047,022.83
  5. Step 5: Solve for x
    x = 1,682,047,022.83/47,286.64
  6. Step 6: Final answer
    x = 35,571.30

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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.