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Finding the Fourth Proportional to 16,959.64, 25,433.07 and 7,099.60

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Solution

The fourth proportional to 16,959.64, 25,433.07 and 7,099.60 is: 10,646.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.64 : 25,433.07 = 7,099.60 : x
  2. Step 2: Convert to fraction form
    16,959.64/25,433.07 = 7,099.60/x
  3. Step 3: Cross multiply
    16,959.64x = 25,433.07 × 7,099.60
  4. Step 4: Simplify right side
    16,959.64x = 180,564,623.77
  5. Step 5: Solve for x
    x = 180,564,623.77/16,959.64
  6. Step 6: Final answer
    x = 10,646.73

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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.