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Finding the Fourth Proportional to 15,827.00, 21,840.84 and 8,753.27

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Solution

The fourth proportional to 15,827.00, 21,840.84 and 8,753.27 is: 12,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827.00 : 21,840.84 = 8,753.27 : x
  2. Step 2: Convert to fraction form
    15,827.00/21,840.84 = 8,753.27/x
  3. Step 3: Cross multiply
    15,827.00x = 21,840.84 × 8,753.27
  4. Step 4: Simplify right side
    15,827.00x = 191,178,660.34
  5. Step 5: Solve for x
    x = 191,178,660.34/15,827.00
  6. Step 6: Final answer
    x = 12,079.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.