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Finding the Fourth Proportional to 5,980.04, 8,958.54 and 2,904.20

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Solution

The fourth proportional to 5,980.04, 8,958.54 and 2,904.20 is: 4,350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,980.04 : 8,958.54 = 2,904.20 : x
  2. Step 2: Convert to fraction form
    5,980.04/8,958.54 = 2,904.20/x
  3. Step 3: Cross multiply
    5,980.04x = 8,958.54 × 2,904.20
  4. Step 4: Simplify right side
    5,980.04x = 26,017,391.87
  5. Step 5: Solve for x
    x = 26,017,391.87/5,980.04
  6. Step 6: Final answer
    x = 4,350.71

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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.