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Finding the Fourth Proportional to 16,955.99, 25,425.79 and 5,858.79

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Solution

The fourth proportional to 16,955.99, 25,425.79 and 5,858.79 is: 8,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955.99 : 25,425.79 = 5,858.79 : x
  2. Step 2: Convert to fraction form
    16,955.99/25,425.79 = 5,858.79/x
  3. Step 3: Cross multiply
    16,955.99x = 25,425.79 × 5,858.79
  4. Step 4: Simplify right side
    16,955.99x = 148,964,349.55
  5. Step 5: Solve for x
    x = 148,964,349.55/16,955.99
  6. Step 6: Final answer
    x = 8,785.35

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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.