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Finding the Fourth Proportional to 29,808.64, 44,695.68 and 12,258.64

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Solution

The fourth proportional to 29,808.64, 44,695.68 and 12,258.64 is: 18,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,808.64 : 44,695.68 = 12,258.64 : x
  2. Step 2: Convert to fraction form
    29,808.64/44,695.68 = 12,258.64/x
  3. Step 3: Cross multiply
    29,808.64x = 44,695.68 × 12,258.64
  4. Step 4: Simplify right side
    29,808.64x = 547,908,250.68
  5. Step 5: Solve for x
    x = 547,908,250.68/29,808.64
  6. Step 6: Final answer
    x = 18,380.85

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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.