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Finding the Fourth Proportional to 30,173.42, 45,264.10 and 11,195.47

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Solution

The fourth proportional to 30,173.42, 45,264.10 and 11,195.47 is: 16,794.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.42 : 45,264.10 = 11,195.47 : x
  2. Step 2: Convert to fraction form
    30,173.42/45,264.10 = 11,195.47/x
  3. Step 3: Cross multiply
    30,173.42x = 45,264.10 × 11,195.47
  4. Step 4: Simplify right side
    30,173.42x = 506,752,873.63
  5. Step 5: Solve for x
    x = 506,752,873.63/30,173.42
  6. Step 6: Final answer
    x = 16,794.68

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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.