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Finding the Fourth Proportional to 4,955.92, 7,418.52 and 2,907.92

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Solution

The fourth proportional to 4,955.92, 7,418.52 and 2,907.92 is: 4,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955.92 : 7,418.52 = 2,907.92 : x
  2. Step 2: Convert to fraction form
    4,955.92/7,418.52 = 2,907.92/x
  3. Step 3: Cross multiply
    4,955.92x = 7,418.52 × 2,907.92
  4. Step 4: Simplify right side
    4,955.92x = 21,572,462.68
  5. Step 5: Solve for x
    x = 21,572,462.68/4,955.92
  6. Step 6: Final answer
    x = 4,352.87

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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.