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Finding the Fourth Proportional to 18,352.88, 27,534.72 and 7,261.28

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Solution

The fourth proportional to 18,352.88, 27,534.72 and 7,261.28 is: 10,894.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,352.88 : 27,534.72 = 7,261.28 : x
  2. Step 2: Convert to fraction form
    18,352.88/27,534.72 = 7,261.28/x
  3. Step 3: Cross multiply
    18,352.88x = 27,534.72 × 7,261.28
  4. Step 4: Simplify right side
    18,352.88x = 199,937,311.64
  5. Step 5: Solve for x
    x = 199,937,311.64/18,352.88
  6. Step 6: Final answer
    x = 10,894.06

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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.