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Finding the Fourth Proportional to 32,649.86, 45,051.81 and 18,310.43

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Solution

The fourth proportional to 32,649.86, 45,051.81 and 18,310.43 is: 25,265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,649.86 : 45,051.81 = 18,310.43 : x
  2. Step 2: Convert to fraction form
    32,649.86/45,051.81 = 18,310.43/x
  3. Step 3: Cross multiply
    32,649.86x = 45,051.81 × 18,310.43
  4. Step 4: Simplify right side
    32,649.86x = 824,917,719.46
  5. Step 5: Solve for x
    x = 824,917,719.46/32,649.86
  6. Step 6: Final answer
    x = 25,265.59

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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.