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Finding the Fourth Proportional to 4,966.86, 7,440.60 and 2,768.97

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Solution

The fourth proportional to 4,966.86, 7,440.60 and 2,768.97 is: 4,148.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966.86 : 7,440.60 = 2,768.97 : x
  2. Step 2: Convert to fraction form
    4,966.86/7,440.60 = 2,768.97/x
  3. Step 3: Cross multiply
    4,966.86x = 7,440.60 × 2,768.97
  4. Step 4: Simplify right side
    4,966.86x = 20,602,798.18
  5. Step 5: Solve for x
    x = 20,602,798.18/4,966.86
  6. Step 6: Final answer
    x = 4,148.05

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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.