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Finding the Fourth Proportional to 6,355.40, 8,749.01 and 5,466.02

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Solution

The fourth proportional to 6,355.40, 8,749.01 and 5,466.02 is: 7,524.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,355.40 : 8,749.01 = 5,466.02 : x
  2. Step 2: Convert to fraction form
    6,355.40/8,749.01 = 5,466.02/x
  3. Step 3: Cross multiply
    6,355.40x = 8,749.01 × 5,466.02
  4. Step 4: Simplify right side
    6,355.40x = 47,822,233.56
  5. Step 5: Solve for x
    x = 47,822,233.56/6,355.40
  6. Step 6: Final answer
    x = 7,524.67

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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.