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Finding the Fourth Proportional to 88,324.32, 132,486.54 and 21,764.44

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Solution

The fourth proportional to 88,324.32, 132,486.54 and 21,764.44 is: 32,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,324.32 : 132,486.54 = 21,764.44 : x
  2. Step 2: Convert to fraction form
    88,324.32/132,486.54 = 21,764.44/x
  3. Step 3: Cross multiply
    88,324.32x = 132,486.54 × 21,764.44
  4. Step 4: Simplify right side
    88,324.32x = 2,883,495,350.64
  5. Step 5: Solve for x
    x = 2,883,495,350.64/88,324.32
  6. Step 6: Final answer
    x = 32,646.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.