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Finding the Fourth Proportional to 16,732.89, 23,090.52 and 9,658.89

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Solution

The fourth proportional to 16,732.89, 23,090.52 and 9,658.89 is: 13,328.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,732.89 : 23,090.52 = 9,658.89 : x
  2. Step 2: Convert to fraction form
    16,732.89/23,090.52 = 9,658.89/x
  3. Step 3: Cross multiply
    16,732.89x = 23,090.52 × 9,658.89
  4. Step 4: Simplify right side
    16,732.89x = 223,028,792.72
  5. Step 5: Solve for x
    x = 223,028,792.72/16,732.89
  6. Step 6: Final answer
    x = 13,328.77

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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.