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Finding the Fourth Proportional to 3,250.49, 4,878.47 and 3,045.46

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Solution

The fourth proportional to 3,250.49, 4,878.47 and 3,045.46 is: 4,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.49 : 4,878.47 = 3,045.46 : x
  2. Step 2: Convert to fraction form
    3,250.49/4,878.47 = 3,045.46/x
  3. Step 3: Cross multiply
    3,250.49x = 4,878.47 × 3,045.46
  4. Step 4: Simplify right side
    3,250.49x = 14,857,185.25
  5. Step 5: Solve for x
    x = 14,857,185.25/3,250.49
  6. Step 6: Final answer
    x = 4,570.75

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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.