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Finding the Fourth Proportional to 29,315.20, 43,956.60 and 9,583.60

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Solution

The fourth proportional to 29,315.20, 43,956.60 and 9,583.60 is: 14,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,315.20 : 43,956.60 = 9,583.60 : x
  2. Step 2: Convert to fraction form
    29,315.20/43,956.60 = 9,583.60/x
  3. Step 3: Cross multiply
    29,315.20x = 43,956.60 × 9,583.60
  4. Step 4: Simplify right side
    29,315.20x = 421,262,471.76
  5. Step 5: Solve for x
    x = 421,262,471.76/29,315.20
  6. Step 6: Final answer
    x = 14,370.10

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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.