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Finding the Fourth Proportional to 14,735.58, 20,336.07 and 8,448.06

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Solution

The fourth proportional to 14,735.58, 20,336.07 and 8,448.06 is: 11,658.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.58 : 20,336.07 = 8,448.06 : x
  2. Step 2: Convert to fraction form
    14,735.58/20,336.07 = 8,448.06/x
  3. Step 3: Cross multiply
    14,735.58x = 20,336.07 × 8,448.06
  4. Step 4: Simplify right side
    14,735.58x = 171,800,339.52
  5. Step 5: Solve for x
    x = 171,800,339.52/14,735.58
  6. Step 6: Final answer
    x = 11,658.88

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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.