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Finding the Fourth Proportional to 4,951.64, 7,415.64 and 2,867.24

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Solution

The fourth proportional to 4,951.64, 7,415.64 and 2,867.24 is: 4,294.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.64 : 7,415.64 = 2,867.24 : x
  2. Step 2: Convert to fraction form
    4,951.64/7,415.64 = 2,867.24/x
  3. Step 3: Cross multiply
    4,951.64x = 7,415.64 × 2,867.24
  4. Step 4: Simplify right side
    4,951.64x = 21,262,382.56
  5. Step 5: Solve for x
    x = 21,262,382.56/4,951.64
  6. Step 6: Final answer
    x = 4,294.01

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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.