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Finding the Fourth Proportional to 4,955.63, 7,434.68 and 1,492.88

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Solution

The fourth proportional to 4,955.63, 7,434.68 and 1,492.88 is: 2,239.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.63 : 7,434.68 = 1,492.88 : x
  2. Step 2: Convert to fraction form
    4,955.63/7,434.68 = 1,492.88/x
  3. Step 3: Cross multiply
    4,955.63x = 7,434.68 × 1,492.88
  4. Step 4: Simplify right side
    4,955.63x = 11,099,040.44
  5. Step 5: Solve for x
    x = 11,099,040.44/4,955.63
  6. Step 6: Final answer
    x = 2,239.69

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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.