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Finding the Fourth Proportional to 16,368.21, 24,563.08 and 8,977.86

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Solution

The fourth proportional to 16,368.21, 24,563.08 and 8,977.86 is: 13,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,368.21 : 24,563.08 = 8,977.86 : x
  2. Step 2: Convert to fraction form
    16,368.21/24,563.08 = 8,977.86/x
  3. Step 3: Cross multiply
    16,368.21x = 24,563.08 × 8,977.86
  4. Step 4: Simplify right side
    16,368.21x = 220,523,904.63
  5. Step 5: Solve for x
    x = 220,523,904.63/16,368.21
  6. Step 6: Final answer
    x = 13,472.70

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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.