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Finding the Fourth Proportional to 16,945.48, 23,384.93 and 9,391.98

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Solution

The fourth proportional to 16,945.48, 23,384.93 and 9,391.98 is: 12,961.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.48 : 23,384.93 = 9,391.98 : x
  2. Step 2: Convert to fraction form
    16,945.48/23,384.93 = 9,391.98/x
  3. Step 3: Cross multiply
    16,945.48x = 23,384.93 × 9,391.98
  4. Step 4: Simplify right side
    16,945.48x = 219,630,630.98
  5. Step 5: Solve for x
    x = 219,630,630.98/16,945.48
  6. Step 6: Final answer
    x = 12,961.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.