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Finding the Fourth Proportional to 32,911.92, 45,415.94 and 18,573.08

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Solution

The fourth proportional to 32,911.92, 45,415.94 and 18,573.08 is: 25,629.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,911.92 : 45,415.94 = 18,573.08 : x
  2. Step 2: Convert to fraction form
    32,911.92/45,415.94 = 18,573.08/x
  3. Step 3: Cross multiply
    32,911.92x = 45,415.94 × 18,573.08
  4. Step 4: Simplify right side
    32,911.92x = 843,513,886.90
  5. Step 5: Solve for x
    x = 843,513,886.90/32,911.92
  6. Step 6: Final answer
    x = 25,629.44

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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.