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Finding the Fourth Proportional to 8,913.15, 13,360.41 and 3,362.67

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Solution

The fourth proportional to 8,913.15, 13,360.41 and 3,362.67 is: 5,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.15 : 13,360.41 = 3,362.67 : x
  2. Step 2: Convert to fraction form
    8,913.15/13,360.41 = 3,362.67/x
  3. Step 3: Cross multiply
    8,913.15x = 13,360.41 × 3,362.67
  4. Step 4: Simplify right side
    8,913.15x = 44,926,649.89
  5. Step 5: Solve for x
    x = 44,926,649.89/8,913.15
  6. Step 6: Final answer
    x = 5,040.49

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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.