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Finding the Fourth Proportional to 2,946.17, 4,419.26 and 998.22

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Solution

The fourth proportional to 2,946.17, 4,419.26 and 998.22 is: 1,497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.17 : 4,419.26 = 998.22 : x
  2. Step 2: Convert to fraction form
    2,946.17/4,419.26 = 998.22/x
  3. Step 3: Cross multiply
    2,946.17x = 4,419.26 × 998.22
  4. Step 4: Simplify right side
    2,946.17x = 4,411,393.72
  5. Step 5: Solve for x
    x = 4,411,393.72/2,946.17
  6. Step 6: Final answer
    x = 1,497.33

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.