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Finding the Fourth Proportional to 13,660.00, 20,492.06 and 4,892.83

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Solution

The fourth proportional to 13,660.00, 20,492.06 and 4,892.83 is: 7,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.00 : 20,492.06 = 4,892.83 : x
  2. Step 2: Convert to fraction form
    13,660.00/20,492.06 = 4,892.83/x
  3. Step 3: Cross multiply
    13,660.00x = 20,492.06 × 4,892.83
  4. Step 4: Simplify right side
    13,660.00x = 100,264,090.24
  5. Step 5: Solve for x
    x = 100,264,090.24/13,660.00
  6. Step 6: Final answer
    x = 7,339.98

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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.