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Finding the Fourth Proportional to 17,454.42, 26,181.54 and 7,457.67

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Solution

The fourth proportional to 17,454.42, 26,181.54 and 7,457.67 is: 11,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,454.42 : 26,181.54 = 7,457.67 : x
  2. Step 2: Convert to fraction form
    17,454.42/26,181.54 = 7,457.67/x
  3. Step 3: Cross multiply
    17,454.42x = 26,181.54 × 7,457.67
  4. Step 4: Simplify right side
    17,454.42x = 195,253,285.41
  5. Step 5: Solve for x
    x = 195,253,285.41/17,454.42
  6. Step 6: Final answer
    x = 11,186.47

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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.