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Finding the Fourth Proportional to 32,511.92, 44,865.92 and 18,172.08

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Solution

The fourth proportional to 32,511.92, 44,865.92 and 18,172.08 is: 25,077.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,511.92 : 44,865.92 = 18,172.08 : x
  2. Step 2: Convert to fraction form
    32,511.92/44,865.92 = 18,172.08/x
  3. Step 3: Cross multiply
    32,511.92x = 44,865.92 × 18,172.08
  4. Step 4: Simplify right side
    32,511.92x = 815,307,087.51
  5. Step 5: Solve for x
    x = 815,307,087.51/32,511.92
  6. Step 6: Final answer
    x = 25,077.17

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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.