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Finding the Fourth Proportional to 5,967.80, 8,948.63 and 3,158.15

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Solution

The fourth proportional to 5,967.80, 8,948.63 and 3,158.15 is: 4,735.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,967.80 : 8,948.63 = 3,158.15 : x
  2. Step 2: Convert to fraction form
    5,967.80/8,948.63 = 3,158.15/x
  3. Step 3: Cross multiply
    5,967.80x = 8,948.63 × 3,158.15
  4. Step 4: Simplify right side
    5,967.80x = 28,261,055.30
  5. Step 5: Solve for x
    x = 28,261,055.30/5,967.80
  6. Step 6: Final answer
    x = 4,735.59

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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.