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Finding the Fourth Proportional to 6,002.60, 8,991.54 and 5,311.06

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Solution

The fourth proportional to 6,002.60, 8,991.54 and 5,311.06 is: 7,955.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,002.60 : 8,991.54 = 5,311.06 : x
  2. Step 2: Convert to fraction form
    6,002.60/8,991.54 = 5,311.06/x
  3. Step 3: Cross multiply
    6,002.60x = 8,991.54 × 5,311.06
  4. Step 4: Simplify right side
    6,002.60x = 47,754,585.95
  5. Step 5: Solve for x
    x = 47,754,585.95/6,002.60
  6. Step 6: Final answer
    x = 7,955.66

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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.