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Finding the Fourth Proportional to 29,343.60, 44,101.80 and 28,825.20

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Solution

The fourth proportional to 29,343.60, 44,101.80 and 28,825.20 is: 43,322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,343.60 : 44,101.80 = 28,825.20 : x
  2. Step 2: Convert to fraction form
    29,343.60/44,101.80 = 28,825.20/x
  3. Step 3: Cross multiply
    29,343.60x = 44,101.80 × 28,825.20
  4. Step 4: Simplify right side
    29,343.60x = 1,271,243,205.36
  5. Step 5: Solve for x
    x = 1,271,243,205.36/29,343.60
  6. Step 6: Final answer
    x = 43,322.67

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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.