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Finding the Fourth Proportional to 4,938.10, 7,357.44 and 4,866.82

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Solution

The fourth proportional to 4,938.10, 7,357.44 and 4,866.82 is: 7,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.10 : 7,357.44 = 4,866.82 : x
  2. Step 2: Convert to fraction form
    4,938.10/7,357.44 = 4,866.82/x
  3. Step 3: Cross multiply
    4,938.10x = 7,357.44 × 4,866.82
  4. Step 4: Simplify right side
    4,938.10x = 35,807,336.14
  5. Step 5: Solve for x
    x = 35,807,336.14/4,938.10
  6. Step 6: Final answer
    x = 7,251.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.