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Finding the Fourth Proportional to 6,022.04, 8,321 and 5,219.20

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Solution

The fourth proportional to 6,022.04, 8,321 and 5,219.20 is: 7,211.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,022.04 : 8,321 = 5,219.20 : x
  2. Step 2: Convert to fraction form
    6,022.04/8,321 = 5,219.20/x
  3. Step 3: Cross multiply
    6,022.04x = 8,321 × 5,219.20
  4. Step 4: Simplify right side
    6,022.04x = 43,428,963.20
  5. Step 5: Solve for x
    x = 43,428,963.20/6,022.04
  6. Step 6: Final answer
    x = 7,211.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.