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Finding the Fourth Proportional to 18,475.56, 27,724.86 and 10,699.56

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Solution

The fourth proportional to 18,475.56, 27,724.86 and 10,699.56 is: 16,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.56 : 27,724.86 = 10,699.56 : x
  2. Step 2: Convert to fraction form
    18,475.56/27,724.86 = 10,699.56/x
  3. Step 3: Cross multiply
    18,475.56x = 27,724.86 × 10,699.56
  4. Step 4: Simplify right side
    18,475.56x = 296,643,803.06
  5. Step 5: Solve for x
    x = 296,643,803.06/18,475.56
  6. Step 6: Final answer
    x = 16,056.01

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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.