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Finding the Fourth Proportional to 14,585.92, 21,876.83 and 8,325.64

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Solution

The fourth proportional to 14,585.92, 21,876.83 and 8,325.64 is: 12,487.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,585.92 : 21,876.83 = 8,325.64 : x
  2. Step 2: Convert to fraction form
    14,585.92/21,876.83 = 8,325.64/x
  3. Step 3: Cross multiply
    14,585.92x = 21,876.83 × 8,325.64
  4. Step 4: Simplify right side
    14,585.92x = 182,138,551.63
  5. Step 5: Solve for x
    x = 182,138,551.63/14,585.92
  6. Step 6: Final answer
    x = 12,487.28

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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.