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Finding the Fourth Proportional to 32,855.63, 45,340.83 and 18,708.48

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Solution

The fourth proportional to 32,855.63, 45,340.83 and 18,708.48 is: 25,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,855.63 : 45,340.83 = 18,708.48 : x
  2. Step 2: Convert to fraction form
    32,855.63/45,340.83 = 18,708.48/x
  3. Step 3: Cross multiply
    32,855.63x = 45,340.83 × 18,708.48
  4. Step 4: Simplify right side
    32,855.63x = 848,258,011.24
  5. Step 5: Solve for x
    x = 848,258,011.24/32,855.63
  6. Step 6: Final answer
    x = 25,817.74

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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.