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Finding the Fourth Proportional to 7,754.55, 11,635.88 and 7,336.32

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Solution

The fourth proportional to 7,754.55, 11,635.88 and 7,336.32 is: 11,008.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.55 : 11,635.88 = 7,336.32 : x
  2. Step 2: Convert to fraction form
    7,754.55/11,635.88 = 7,336.32/x
  3. Step 3: Cross multiply
    7,754.55x = 11,635.88 × 7,336.32
  4. Step 4: Simplify right side
    7,754.55x = 85,364,502.48
  5. Step 5: Solve for x
    x = 85,364,502.48/7,754.55
  6. Step 6: Final answer
    x = 11,008.31

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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.