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Finding the Fourth Proportional to 4,666.37, 7,000.31 and 1,379.79

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Solution

The fourth proportional to 4,666.37, 7,000.31 and 1,379.79 is: 2,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.37 : 7,000.31 = 1,379.79 : x
  2. Step 2: Convert to fraction form
    4,666.37/7,000.31 = 1,379.79/x
  3. Step 3: Cross multiply
    4,666.37x = 7,000.31 × 1,379.79
  4. Step 4: Simplify right side
    4,666.37x = 9,658,950.84
  5. Step 5: Solve for x
    x = 9,658,950.84/4,666.37
  6. Step 6: Final answer
    x = 2,069.91

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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.