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Finding the Fourth Proportional to 2,946.18, 4,419.17 and 754.93

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Solution

The fourth proportional to 2,946.18, 4,419.17 and 754.93 is: 1,132.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.18 : 4,419.17 = 754.93 : x
  2. Step 2: Convert to fraction form
    2,946.18/4,419.17 = 754.93/x
  3. Step 3: Cross multiply
    2,946.18x = 4,419.17 × 754.93
  4. Step 4: Simplify right side
    2,946.18x = 3,336,160.23
  5. Step 5: Solve for x
    x = 3,336,160.23/2,946.18
  6. Step 6: Final answer
    x = 1,132.37

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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.