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Finding the Fourth Proportional to 18,340.56, 27,526.56 and 18,202.50

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Solution

The fourth proportional to 18,340.56, 27,526.56 and 18,202.50 is: 27,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.56 : 27,526.56 = 18,202.50 : x
  2. Step 2: Convert to fraction form
    18,340.56/27,526.56 = 18,202.50/x
  3. Step 3: Cross multiply
    18,340.56x = 27,526.56 × 18,202.50
  4. Step 4: Simplify right side
    18,340.56x = 501,052,208.40
  5. Step 5: Solve for x
    x = 501,052,208.40/18,340.56
  6. Step 6: Final answer
    x = 27,319.35

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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.