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Finding the Fourth Proportional to 1,852.26, 2,776.98 and 974.70

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Solution

The fourth proportional to 1,852.26, 2,776.98 and 974.70 is: 1,461.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.26 : 2,776.98 = 974.70 : x
  2. Step 2: Convert to fraction form
    1,852.26/2,776.98 = 974.70/x
  3. Step 3: Cross multiply
    1,852.26x = 2,776.98 × 974.70
  4. Step 4: Simplify right side
    1,852.26x = 2,706,722.41
  5. Step 5: Solve for x
    x = 2,706,722.41/1,852.26
  6. Step 6: Final answer
    x = 1,461.31

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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.