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Finding the Fourth Proportional to 4,958.55, 7,437.42 and 1,260.63

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Solution

The fourth proportional to 4,958.55, 7,437.42 and 1,260.63 is: 1,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.55 : 7,437.42 = 1,260.63 : x
  2. Step 2: Convert to fraction form
    4,958.55/7,437.42 = 1,260.63/x
  3. Step 3: Cross multiply
    4,958.55x = 7,437.42 × 1,260.63
  4. Step 4: Simplify right side
    4,958.55x = 9,375,834.77
  5. Step 5: Solve for x
    x = 9,375,834.77/4,958.55
  6. Step 6: Final answer
    x = 1,890.84

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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.