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Finding the Fourth Proportional to 4,986.67, 7,465.51 and 2,900.31

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Solution

The fourth proportional to 4,986.67, 7,465.51 and 2,900.31 is: 4,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.67 : 7,465.51 = 2,900.31 : x
  2. Step 2: Convert to fraction form
    4,986.67/7,465.51 = 2,900.31/x
  3. Step 3: Cross multiply
    4,986.67x = 7,465.51 × 2,900.31
  4. Step 4: Simplify right side
    4,986.67x = 21,652,293.31
  5. Step 5: Solve for x
    x = 21,652,293.31/4,986.67
  6. Step 6: Final answer
    x = 4,342.03

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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.