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Finding the Fourth Proportional to 14,635.50, 21,956.02 and 5,871.10

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Solution

The fourth proportional to 14,635.50, 21,956.02 and 5,871.10 is: 8,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.50 : 21,956.02 = 5,871.10 : x
  2. Step 2: Convert to fraction form
    14,635.50/21,956.02 = 5,871.10/x
  3. Step 3: Cross multiply
    14,635.50x = 21,956.02 × 5,871.10
  4. Step 4: Simplify right side
    14,635.50x = 128,905,989.02
  5. Step 5: Solve for x
    x = 128,905,989.02/14,635.50
  6. Step 6: Final answer
    x = 8,807.76

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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.