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Finding the Fourth Proportional to 4,666.66, 7,001.10 and 1,379.62

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Solution

The fourth proportional to 4,666.66, 7,001.10 and 1,379.62 is: 2,069.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,666.66 : 7,001.10 = 1,379.62 : x
  2. Step 2: Convert to fraction form
    4,666.66/7,001.10 = 1,379.62/x
  3. Step 3: Cross multiply
    4,666.66x = 7,001.10 × 1,379.62
  4. Step 4: Simplify right side
    4,666.66x = 9,658,857.58
  5. Step 5: Solve for x
    x = 9,658,857.58/4,666.66
  6. Step 6: Final answer
    x = 2,069.76

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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.