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Finding the Fourth Proportional to 16,610.13, 24,915.20 and 11,400.21

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Solution

The fourth proportional to 16,610.13, 24,915.20 and 11,400.21 is: 17,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,610.13 : 24,915.20 = 11,400.21 : x
  2. Step 2: Convert to fraction form
    16,610.13/24,915.20 = 11,400.21/x
  3. Step 3: Cross multiply
    16,610.13x = 24,915.20 × 11,400.21
  4. Step 4: Simplify right side
    16,610.13x = 284,038,455.19
  5. Step 5: Solve for x
    x = 284,038,455.19/16,610.13
  6. Step 6: Final answer
    x = 17,100.32

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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.