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Finding the Fourth Proportional to 30,255.42, 41,749.04 and 17,506.62

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Solution

The fourth proportional to 30,255.42, 41,749.04 and 17,506.62 is: 24,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.42 : 41,749.04 = 17,506.62 : x
  2. Step 2: Convert to fraction form
    30,255.42/41,749.04 = 17,506.62/x
  3. Step 3: Cross multiply
    30,255.42x = 41,749.04 × 17,506.62
  4. Step 4: Simplify right side
    30,255.42x = 730,884,578.64
  5. Step 5: Solve for x
    x = 730,884,578.64/30,255.42
  6. Step 6: Final answer
    x = 24,157.15

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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.