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Finding the Fourth Proportional to 7,492.51, 11,235.18 and 3,540.48

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Solution

The fourth proportional to 7,492.51, 11,235.18 and 3,540.48 is: 5,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.51 : 11,235.18 = 3,540.48 : x
  2. Step 2: Convert to fraction form
    7,492.51/11,235.18 = 3,540.48/x
  3. Step 3: Cross multiply
    7,492.51x = 11,235.18 × 3,540.48
  4. Step 4: Simplify right side
    7,492.51x = 39,777,921.24
  5. Step 5: Solve for x
    x = 39,777,921.24/7,492.51
  6. Step 6: Final answer
    x = 5,309.02

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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.