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Finding the Fourth Proportional to 32,662.17, 45,081.95 and 20,079.63

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Solution

The fourth proportional to 32,662.17, 45,081.95 and 20,079.63 is: 27,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,662.17 : 45,081.95 = 20,079.63 : x
  2. Step 2: Convert to fraction form
    32,662.17/45,081.95 = 20,079.63/x
  3. Step 3: Cross multiply
    32,662.17x = 45,081.95 × 20,079.63
  4. Step 4: Simplify right side
    32,662.17x = 905,228,875.68
  5. Step 5: Solve for x
    x = 905,228,875.68/32,662.17
  6. Step 6: Final answer
    x = 27,714.90

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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.