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Finding the Fourth Proportional to 30,612.72, 45,876 and 24,344.88

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Solution

The fourth proportional to 30,612.72, 45,876 and 24,344.88 is: 36,483.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,612.72 : 45,876 = 24,344.88 : x
  2. Step 2: Convert to fraction form
    30,612.72/45,876 = 24,344.88/x
  3. Step 3: Cross multiply
    30,612.72x = 45,876 × 24,344.88
  4. Step 4: Simplify right side
    30,612.72x = 1,116,845,714.88
  5. Step 5: Solve for x
    x = 1,116,845,714.88/30,612.72
  6. Step 6: Final answer
    x = 36,483.06

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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.