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Finding the Fourth Proportional to 16,915.00, 25,374.93 and 5,229.13

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Solution

The fourth proportional to 16,915.00, 25,374.93 and 5,229.13 is: 7,844.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.00 : 25,374.93 = 5,229.13 : x
  2. Step 2: Convert to fraction form
    16,915.00/25,374.93 = 5,229.13/x
  3. Step 3: Cross multiply
    16,915.00x = 25,374.93 × 5,229.13
  4. Step 4: Simplify right side
    16,915.00x = 132,688,654.69
  5. Step 5: Solve for x
    x = 132,688,654.69/16,915.00
  6. Step 6: Final answer
    x = 7,844.44

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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.