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Finding the Fourth Proportional to 32,671.80, 45,087.03 and 19,245.78

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Solution

The fourth proportional to 32,671.80, 45,087.03 and 19,245.78 is: 26,559.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,671.80 : 45,087.03 = 19,245.78 : x
  2. Step 2: Convert to fraction form
    32,671.80/45,087.03 = 19,245.78/x
  3. Step 3: Cross multiply
    32,671.80x = 45,087.03 × 19,245.78
  4. Step 4: Simplify right side
    32,671.80x = 867,735,060.23
  5. Step 5: Solve for x
    x = 867,735,060.23/32,671.80
  6. Step 6: Final answer
    x = 26,559.14

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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.