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Finding the Fourth Proportional to 18,598.89, 27,892.40 and 6,116.05

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Solution

The fourth proportional to 18,598.89, 27,892.40 and 6,116.05 is: 9,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.89 : 27,892.40 = 6,116.05 : x
  2. Step 2: Convert to fraction form
    18,598.89/27,892.40 = 6,116.05/x
  3. Step 3: Cross multiply
    18,598.89x = 27,892.40 × 6,116.05
  4. Step 4: Simplify right side
    18,598.89x = 170,591,212.71
  5. Step 5: Solve for x
    x = 170,591,212.71/18,598.89
  6. Step 6: Final answer
    x = 9,172.12

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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.