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Finding the Fourth Proportional to 5,673.48, 8,510.21 and 1,778.19

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Solution

The fourth proportional to 5,673.48, 8,510.21 and 1,778.19 is: 2,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.48 : 8,510.21 = 1,778.19 : x
  2. Step 2: Convert to fraction form
    5,673.48/8,510.21 = 1,778.19/x
  3. Step 3: Cross multiply
    5,673.48x = 8,510.21 × 1,778.19
  4. Step 4: Simplify right side
    5,673.48x = 15,132,770.32
  5. Step 5: Solve for x
    x = 15,132,770.32/5,673.48
  6. Step 6: Final answer
    x = 2,667.28

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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.