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Finding the Fourth Proportional to 3,305.58, 4,956.72 and 1,225.50

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Solution

The fourth proportional to 3,305.58, 4,956.72 and 1,225.50 is: 1,837.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.58 : 4,956.72 = 1,225.50 : x
  2. Step 2: Convert to fraction form
    3,305.58/4,956.72 = 1,225.50/x
  3. Step 3: Cross multiply
    3,305.58x = 4,956.72 × 1,225.50
  4. Step 4: Simplify right side
    3,305.58x = 6,074,460.36
  5. Step 5: Solve for x
    x = 6,074,460.36/3,305.58
  6. Step 6: Final answer
    x = 1,837.64

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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.