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Finding the Fourth Proportional to 7,636.99, 11,454.59 and 2,956.58

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Solution

The fourth proportional to 7,636.99, 11,454.59 and 2,956.58 is: 4,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.99 : 11,454.59 = 2,956.58 : x
  2. Step 2: Convert to fraction form
    7,636.99/11,454.59 = 2,956.58/x
  3. Step 3: Cross multiply
    7,636.99x = 11,454.59 × 2,956.58
  4. Step 4: Simplify right side
    7,636.99x = 33,866,425.56
  5. Step 5: Solve for x
    x = 33,866,425.56/7,636.99
  6. Step 6: Final answer
    x = 4,434.53

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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.