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Finding the Fourth Proportional to 2,996.22, 4,494.33 and 916.23

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Solution

The fourth proportional to 2,996.22, 4,494.33 and 916.23 is: 1,374.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.22 : 4,494.33 = 916.23 : x
  2. Step 2: Convert to fraction form
    2,996.22/4,494.33 = 916.23/x
  3. Step 3: Cross multiply
    2,996.22x = 4,494.33 × 916.23
  4. Step 4: Simplify right side
    2,996.22x = 4,117,839.98
  5. Step 5: Solve for x
    x = 4,117,839.98/2,996.22
  6. Step 6: Final answer
    x = 1,374.35

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.