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Finding the Fourth Proportional to 8,592.92, 12,872.30 and 5,662.34

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Solution

The fourth proportional to 8,592.92, 12,872.30 and 5,662.34 is: 8,482.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.92 : 12,872.30 = 5,662.34 : x
  2. Step 2: Convert to fraction form
    8,592.92/12,872.30 = 5,662.34/x
  3. Step 3: Cross multiply
    8,592.92x = 12,872.30 × 5,662.34
  4. Step 4: Simplify right side
    8,592.92x = 72,887,339.18
  5. Step 5: Solve for x
    x = 72,887,339.18/8,592.92
  6. Step 6: Final answer
    x = 8,482.26

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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.