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Finding the Fourth Proportional to 18,381.48, 27,527.80 and 10,460.00

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Solution

The fourth proportional to 18,381.48, 27,527.80 and 10,460.00 is: 15,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,381.48 : 27,527.80 = 10,460.00 : x
  2. Step 2: Convert to fraction form
    18,381.48/27,527.80 = 10,460.00/x
  3. Step 3: Cross multiply
    18,381.48x = 27,527.80 × 10,460.00
  4. Step 4: Simplify right side
    18,381.48x = 287,940,850.28
  5. Step 5: Solve for x
    x = 287,940,850.28/18,381.48
  6. Step 6: Final answer
    x = 15,664.72

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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.