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Finding the Fourth Proportional to 55,774.38, 83,674.75 and 18,334.56

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Solution

The fourth proportional to 55,774.38, 83,674.75 and 18,334.56 is: 27,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,774.38 : 83,674.75 = 18,334.56 : x
  2. Step 2: Convert to fraction form
    55,774.38/83,674.75 = 18,334.56/x
  3. Step 3: Cross multiply
    55,774.38x = 83,674.75 × 18,334.56
  4. Step 4: Simplify right side
    55,774.38x = 1,534,139,724.36
  5. Step 5: Solve for x
    x = 1,534,139,724.36/55,774.38
  6. Step 6: Final answer
    x = 27,506.17

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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.