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Finding the Fourth Proportional to 5,891.40, 8,787.47 and 5,483.16

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Solution

The fourth proportional to 5,891.40, 8,787.47 and 5,483.16 is: 8,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.40 : 8,787.47 = 5,483.16 : x
  2. Step 2: Convert to fraction form
    5,891.40/8,787.47 = 5,483.16/x
  3. Step 3: Cross multiply
    5,891.40x = 8,787.47 × 5,483.16
  4. Step 4: Simplify right side
    5,891.40x = 48,183,076.59
  5. Step 5: Solve for x
    x = 48,183,076.59/5,891.40
  6. Step 6: Final answer
    x = 8,178.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.