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Finding the Fourth Proportional to 2,283.98, 3,425.98 and 723.98

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Solution

The fourth proportional to 2,283.98, 3,425.98 and 723.98 is: 1,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.98 : 3,425.98 = 723.98 : x
  2. Step 2: Convert to fraction form
    2,283.98/3,425.98 = 723.98/x
  3. Step 3: Cross multiply
    2,283.98x = 3,425.98 × 723.98
  4. Step 4: Simplify right side
    2,283.98x = 2,480,341.00
  5. Step 5: Solve for x
    x = 2,480,341.00/2,283.98
  6. Step 6: Final answer
    x = 1,085.97

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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.