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Finding the Fourth Proportional to 16,655.02, 24,975.21 and 8,861.98

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Solution

The fourth proportional to 16,655.02, 24,975.21 and 8,861.98 is: 13,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,655.02 : 24,975.21 = 8,861.98 : x
  2. Step 2: Convert to fraction form
    16,655.02/24,975.21 = 8,861.98/x
  3. Step 3: Cross multiply
    16,655.02x = 24,975.21 × 8,861.98
  4. Step 4: Simplify right side
    16,655.02x = 221,329,811.52
  5. Step 5: Solve for x
    x = 221,329,811.52/16,655.02
  6. Step 6: Final answer
    x = 13,289.08

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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.