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Finding the Fourth Proportional to 23,730.75, 32,751.75 and 13,658.94

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Solution

The fourth proportional to 23,730.75, 32,751.75 and 13,658.94 is: 18,851.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,730.75 : 32,751.75 = 13,658.94 : x
  2. Step 2: Convert to fraction form
    23,730.75/32,751.75 = 13,658.94/x
  3. Step 3: Cross multiply
    23,730.75x = 32,751.75 × 13,658.94
  4. Step 4: Simplify right side
    23,730.75x = 447,354,188.15
  5. Step 5: Solve for x
    x = 447,354,188.15/23,730.75
  6. Step 6: Final answer
    x = 18,851.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.