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Finding the Fourth Proportional to 16,313.46, 24,466.95 and 7,989.90

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Solution

The fourth proportional to 16,313.46, 24,466.95 and 7,989.90 is: 11,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,313.46 : 24,466.95 = 7,989.90 : x
  2. Step 2: Convert to fraction form
    16,313.46/24,466.95 = 7,989.90/x
  3. Step 3: Cross multiply
    16,313.46x = 24,466.95 × 7,989.90
  4. Step 4: Simplify right side
    16,313.46x = 195,488,483.81
  5. Step 5: Solve for x
    x = 195,488,483.81/16,313.46
  6. Step 6: Final answer
    x = 11,983.26

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1.5x scale

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.