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Finding the Fourth Proportional to 7,695.56, 11,536.08 and 3,744.32

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Solution

The fourth proportional to 7,695.56, 11,536.08 and 3,744.32 is: 5,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.56 : 11,536.08 = 3,744.32 : x
  2. Step 2: Convert to fraction form
    7,695.56/11,536.08 = 3,744.32/x
  3. Step 3: Cross multiply
    7,695.56x = 11,536.08 × 3,744.32
  4. Step 4: Simplify right side
    7,695.56x = 43,194,775.07
  5. Step 5: Solve for x
    x = 43,194,775.07/7,695.56
  6. Step 6: Final answer
    x = 5,612.95

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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.