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Finding the Fourth Proportional to 4,899.33, 7,339.28 and 2,955.33

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Solution

The fourth proportional to 4,899.33, 7,339.28 and 2,955.33 is: 4,427.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.33 : 7,339.28 = 2,955.33 : x
  2. Step 2: Convert to fraction form
    4,899.33/7,339.28 = 2,955.33/x
  3. Step 3: Cross multiply
    4,899.33x = 7,339.28 × 2,955.33
  4. Step 4: Simplify right side
    4,899.33x = 21,689,979.59
  5. Step 5: Solve for x
    x = 21,689,979.59/4,899.33
  6. Step 6: Final answer
    x = 4,427.13

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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.