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Finding the Fourth Proportional to 4,984.02, 7,476.75 and 1,520.82

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Solution

The fourth proportional to 4,984.02, 7,476.75 and 1,520.82 is: 2,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.02 : 7,476.75 = 1,520.82 : x
  2. Step 2: Convert to fraction form
    4,984.02/7,476.75 = 1,520.82/x
  3. Step 3: Cross multiply
    4,984.02x = 7,476.75 × 1,520.82
  4. Step 4: Simplify right side
    4,984.02x = 11,370,790.94
  5. Step 5: Solve for x
    x = 11,370,790.94/4,984.02
  6. Step 6: Final answer
    x = 2,281.45

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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.