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Finding the Fourth Proportional to 5,980.13, 8,970.18 and 2,850.62

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Solution

The fourth proportional to 5,980.13, 8,970.18 and 2,850.62 is: 4,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.13 : 8,970.18 = 2,850.62 : x
  2. Step 2: Convert to fraction form
    5,980.13/8,970.18 = 2,850.62/x
  3. Step 3: Cross multiply
    5,980.13x = 8,970.18 × 2,850.62
  4. Step 4: Simplify right side
    5,980.13x = 25,570,529.66
  5. Step 5: Solve for x
    x = 25,570,529.66/5,980.13
  6. Step 6: Final answer
    x = 4,275.92

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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.