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Finding the Fourth Proportional to 5,842.48, 8,763.56 and 1,946.96

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Solution

The fourth proportional to 5,842.48, 8,763.56 and 1,946.96 is: 2,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.48 : 8,763.56 = 1,946.96 : x
  2. Step 2: Convert to fraction form
    5,842.48/8,763.56 = 1,946.96/x
  3. Step 3: Cross multiply
    5,842.48x = 8,763.56 × 1,946.96
  4. Step 4: Simplify right side
    5,842.48x = 17,062,300.78
  5. Step 5: Solve for x
    x = 17,062,300.78/5,842.48
  6. Step 6: Final answer
    x = 2,920.39

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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.