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Finding the Fourth Proportional to 29,829.64, 44,750.84 and 18,750.67

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Solution

The fourth proportional to 29,829.64, 44,750.84 and 18,750.67 is: 28,130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,829.64 : 44,750.84 = 18,750.67 : x
  2. Step 2: Convert to fraction form
    29,829.64/44,750.84 = 18,750.67/x
  3. Step 3: Cross multiply
    29,829.64x = 44,750.84 × 18,750.67
  4. Step 4: Simplify right side
    29,829.64x = 839,108,233.06
  5. Step 5: Solve for x
    x = 839,108,233.06/29,829.64
  6. Step 6: Final answer
    x = 28,130.02

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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.