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Finding the Fourth Proportional to 32,409.32, 44,734.74 and 18,800.80

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Solution

The fourth proportional to 32,409.32, 44,734.74 and 18,800.80 is: 25,950.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,409.32 : 44,734.74 = 18,800.80 : x
  2. Step 2: Convert to fraction form
    32,409.32/44,734.74 = 18,800.80/x
  3. Step 3: Cross multiply
    32,409.32x = 44,734.74 × 18,800.80
  4. Step 4: Simplify right side
    32,409.32x = 841,048,676.12
  5. Step 5: Solve for x
    x = 841,048,676.12/32,409.32
  6. Step 6: Final answer
    x = 25,950.83

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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.