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Finding the Fourth Proportional to 29,420.64, 44,113.08 and 11,869.92

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Solution

The fourth proportional to 29,420.64, 44,113.08 and 11,869.92 is: 17,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420.64 : 44,113.08 = 11,869.92 : x
  2. Step 2: Convert to fraction form
    29,420.64/44,113.08 = 11,869.92/x
  3. Step 3: Cross multiply
    29,420.64x = 44,113.08 × 11,869.92
  4. Step 4: Simplify right side
    29,420.64x = 523,618,730.55
  5. Step 5: Solve for x
    x = 523,618,730.55/29,420.64
  6. Step 6: Final answer
    x = 17,797.67

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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.