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Finding the Fourth Proportional to 4,889.85, 7,336.94 and 1,973.85

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Solution

The fourth proportional to 4,889.85, 7,336.94 and 1,973.85 is: 2,961.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.85 : 7,336.94 = 1,973.85 : x
  2. Step 2: Convert to fraction form
    4,889.85/7,336.94 = 1,973.85/x
  3. Step 3: Cross multiply
    4,889.85x = 7,336.94 × 1,973.85
  4. Step 4: Simplify right side
    4,889.85x = 14,482,009.15
  5. Step 5: Solve for x
    x = 14,482,009.15/4,889.85
  6. Step 6: Final answer
    x = 2,961.65

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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.