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Finding the Fourth Proportional to 5,673.60, 7,829.03 and 3,283.18

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Solution

The fourth proportional to 5,673.60, 7,829.03 and 3,283.18 is: 4,530.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.60 : 7,829.03 = 3,283.18 : x
  2. Step 2: Convert to fraction form
    5,673.60/7,829.03 = 3,283.18/x
  3. Step 3: Cross multiply
    5,673.60x = 7,829.03 × 3,283.18
  4. Step 4: Simplify right side
    5,673.60x = 25,704,114.72
  5. Step 5: Solve for x
    x = 25,704,114.72/5,673.60
  6. Step 6: Final answer
    x = 4,530.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.