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Finding the Fourth Proportional to 32,486.48, 44,828.84 and 18,340.72

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Solution

The fourth proportional to 32,486.48, 44,828.84 and 18,340.72 is: 25,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,486.48 : 44,828.84 = 18,340.72 : x
  2. Step 2: Convert to fraction form
    32,486.48/44,828.84 = 18,340.72/x
  3. Step 3: Cross multiply
    32,486.48x = 44,828.84 × 18,340.72
  4. Step 4: Simplify right side
    32,486.48x = 822,193,202.36
  5. Step 5: Solve for x
    x = 822,193,202.36/32,486.48
  6. Step 6: Final answer
    x = 25,308.78

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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.