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Finding the Fourth Proportional to 8,913.24, 13,371.48 and 5,019.84

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Solution

The fourth proportional to 8,913.24, 13,371.48 and 5,019.84 is: 7,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.24 : 13,371.48 = 5,019.84 : x
  2. Step 2: Convert to fraction form
    8,913.24/13,371.48 = 5,019.84/x
  3. Step 3: Cross multiply
    8,913.24x = 13,371.48 × 5,019.84
  4. Step 4: Simplify right side
    8,913.24x = 67,122,690.16
  5. Step 5: Solve for x
    x = 67,122,690.16/8,913.24
  6. Step 6: Final answer
    x = 7,530.67

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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.