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Finding the Fourth Proportional to 4,959.96, 7,484.94 and 4,794.72

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Solution

The fourth proportional to 4,959.96, 7,484.94 and 4,794.72 is: 7,235.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.96 : 7,484.94 = 4,794.72 : x
  2. Step 2: Convert to fraction form
    4,959.96/7,484.94 = 4,794.72/x
  3. Step 3: Cross multiply
    4,959.96x = 7,484.94 × 4,794.72
  4. Step 4: Simplify right side
    4,959.96x = 35,888,191.52
  5. Step 5: Solve for x
    x = 35,888,191.52/4,959.96
  6. Step 6: Final answer
    x = 7,235.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.