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Finding the Fourth Proportional to 4,959.58, 7,437.21 and 1,671.79

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Solution

The fourth proportional to 4,959.58, 7,437.21 and 1,671.79 is: 2,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.58 : 7,437.21 = 1,671.79 : x
  2. Step 2: Convert to fraction form
    4,959.58/7,437.21 = 1,671.79/x
  3. Step 3: Cross multiply
    4,959.58x = 7,437.21 × 1,671.79
  4. Step 4: Simplify right side
    4,959.58x = 12,433,453.31
  5. Step 5: Solve for x
    x = 12,433,453.31/4,959.58
  6. Step 6: Final answer
    x = 2,506.96

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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.