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Finding the Fourth Proportional to 29,878.22, 44,806.88 and 8,812.67

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Solution

The fourth proportional to 29,878.22, 44,806.88 and 8,812.67 is: 13,215.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,878.22 : 44,806.88 = 8,812.67 : x
  2. Step 2: Convert to fraction form
    29,878.22/44,806.88 = 8,812.67/x
  3. Step 3: Cross multiply
    29,878.22x = 44,806.88 × 8,812.67
  4. Step 4: Simplify right side
    29,878.22x = 394,868,247.17
  5. Step 5: Solve for x
    x = 394,868,247.17/29,878.22
  6. Step 6: Final answer
    x = 13,215.92

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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.