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Finding the Fourth Proportional to 4,986.52, 7,479.51 and 1,523.50

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Solution

The fourth proportional to 4,986.52, 7,479.51 and 1,523.50 is: 2,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.52 : 7,479.51 = 1,523.50 : x
  2. Step 2: Convert to fraction form
    4,986.52/7,479.51 = 1,523.50/x
  3. Step 3: Cross multiply
    4,986.52x = 7,479.51 × 1,523.50
  4. Step 4: Simplify right side
    4,986.52x = 11,395,033.49
  5. Step 5: Solve for x
    x = 11,395,033.49/4,986.52
  6. Step 6: Final answer
    x = 2,285.17

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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.