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Finding the Fourth Proportional to 18,597.84, 27,945.06 and 17,383.01

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Solution

The fourth proportional to 18,597.84, 27,945.06 and 17,383.01 is: 26,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.84 : 27,945.06 = 17,383.01 : x
  2. Step 2: Convert to fraction form
    18,597.84/27,945.06 = 17,383.01/x
  3. Step 3: Cross multiply
    18,597.84x = 27,945.06 × 17,383.01
  4. Step 4: Simplify right side
    18,597.84x = 485,769,117.71
  5. Step 5: Solve for x
    x = 485,769,117.71/18,597.84
  6. Step 6: Final answer
    x = 26,119.65

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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.