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Finding the Fourth Proportional to 5,748.28, 8,621.54 and 1,852.28

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Solution

The fourth proportional to 5,748.28, 8,621.54 and 1,852.28 is: 2,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.28 : 8,621.54 = 1,852.28 : x
  2. Step 2: Convert to fraction form
    5,748.28/8,621.54 = 1,852.28/x
  3. Step 3: Cross multiply
    5,748.28x = 8,621.54 × 1,852.28
  4. Step 4: Simplify right side
    5,748.28x = 15,969,506.11
  5. Step 5: Solve for x
    x = 15,969,506.11/5,748.28
  6. Step 6: Final answer
    x = 2,778.14

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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.