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Finding the Fourth Proportional to 32,479.92, 44,821.44 and 18,139.36

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Solution

The fourth proportional to 32,479.92, 44,821.44 and 18,139.36 is: 25,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,479.92 : 44,821.44 = 18,139.36 : x
  2. Step 2: Convert to fraction form
    32,479.92/44,821.44 = 18,139.36/x
  3. Step 3: Cross multiply
    32,479.92x = 44,821.44 × 18,139.36
  4. Step 4: Simplify right side
    32,479.92x = 813,032,235.88
  5. Step 5: Solve for x
    x = 813,032,235.88/32,479.92
  6. Step 6: Final answer
    x = 25,031.84

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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.