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Finding the Fourth Proportional to 17,102.55, 25,653.54 and 14,174.67

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Solution

The fourth proportional to 17,102.55, 25,653.54 and 14,174.67 is: 21,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,102.55 : 25,653.54 = 14,174.67 : x
  2. Step 2: Convert to fraction form
    17,102.55/25,653.54 = 14,174.67/x
  3. Step 3: Cross multiply
    17,102.55x = 25,653.54 × 14,174.67
  4. Step 4: Simplify right side
    17,102.55x = 363,630,463.83
  5. Step 5: Solve for x
    x = 363,630,463.83/17,102.55
  6. Step 6: Final answer
    x = 21,261.77

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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.