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Finding the Fourth Proportional to 36,582, 50,479.12 and 20,663.08

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Solution

The fourth proportional to 36,582, 50,479.12 and 20,663.08 is: 28,512.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,582 : 50,479.12 = 20,663.08 : x
  2. Step 2: Convert to fraction form
    36,582/50,479.12 = 20,663.08/x
  3. Step 3: Cross multiply
    36,582x = 50,479.12 × 20,663.08
  4. Step 4: Simplify right side
    36,582x = 1,043,054,094.89
  5. Step 5: Solve for x
    x = 1,043,054,094.89/36,582
  6. Step 6: Final answer
    x = 28,512.77

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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.