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Finding the Fourth Proportional to 4,783.07, 7,163.66 and 4,702.88

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Solution

The fourth proportional to 4,783.07, 7,163.66 and 4,702.88 is: 7,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.07 : 7,163.66 = 4,702.88 : x
  2. Step 2: Convert to fraction form
    4,783.07/7,163.66 = 4,702.88/x
  3. Step 3: Cross multiply
    4,783.07x = 7,163.66 × 4,702.88
  4. Step 4: Simplify right side
    4,783.07x = 33,689,863.01
  5. Step 5: Solve for x
    x = 33,689,863.01/4,783.07
  6. Step 6: Final answer
    x = 7,043.56

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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.