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Finding the Fourth Proportional to 6,636.80, 9,953.27 and 1,955.93

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Solution

The fourth proportional to 6,636.80, 9,953.27 and 1,955.93 is: 2,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.80 : 9,953.27 = 1,955.93 : x
  2. Step 2: Convert to fraction form
    6,636.80/9,953.27 = 1,955.93/x
  3. Step 3: Cross multiply
    6,636.80x = 9,953.27 × 1,955.93
  4. Step 4: Simplify right side
    6,636.80x = 19,467,899.39
  5. Step 5: Solve for x
    x = 19,467,899.39/6,636.80
  6. Step 6: Final answer
    x = 2,933.33

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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.