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Finding the Fourth Proportional to 2,992.55, 4,458.75 and 2,824.88

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Solution

The fourth proportional to 2,992.55, 4,458.75 and 2,824.88 is: 4,208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.55 : 4,458.75 = 2,824.88 : x
  2. Step 2: Convert to fraction form
    2,992.55/4,458.75 = 2,824.88/x
  3. Step 3: Cross multiply
    2,992.55x = 4,458.75 × 2,824.88
  4. Step 4: Simplify right side
    2,992.55x = 12,595,400.81
  5. Step 5: Solve for x
    x = 12,595,400.81/2,992.55
  6. Step 6: Final answer
    x = 4,208.93

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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.