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Finding the Fourth Proportional to 5,367.49, 8,051.16 and 1,860.05

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Solution

The fourth proportional to 5,367.49, 8,051.16 and 1,860.05 is: 2,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.49 : 8,051.16 = 1,860.05 : x
  2. Step 2: Convert to fraction form
    5,367.49/8,051.16 = 1,860.05/x
  3. Step 3: Cross multiply
    5,367.49x = 8,051.16 × 1,860.05
  4. Step 4: Simplify right side
    5,367.49x = 14,975,560.16
  5. Step 5: Solve for x
    x = 14,975,560.16/5,367.49
  6. Step 6: Final answer
    x = 2,790.05

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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.