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Finding the Fourth Proportional to 4,452.03, 6,678.10 and 1,986.98

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Solution

The fourth proportional to 4,452.03, 6,678.10 and 1,986.98 is: 2,980.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,452.03 : 6,678.10 = 1,986.98 : x
  2. Step 2: Convert to fraction form
    4,452.03/6,678.10 = 1,986.98/x
  3. Step 3: Cross multiply
    4,452.03x = 6,678.10 × 1,986.98
  4. Step 4: Simplify right side
    4,452.03x = 13,269,246.62
  5. Step 5: Solve for x
    x = 13,269,246.62/4,452.03
  6. Step 6: Final answer
    x = 2,980.50

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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.