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Finding the Fourth Proportional to 32,166.60, 48,293.10 and 20,531.40

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Solution

The fourth proportional to 32,166.60, 48,293.10 and 20,531.40 is: 30,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,166.60 : 48,293.10 = 20,531.40 : x
  2. Step 2: Convert to fraction form
    32,166.60/48,293.10 = 20,531.40/x
  3. Step 3: Cross multiply
    32,166.60x = 48,293.10 × 20,531.40
  4. Step 4: Simplify right side
    32,166.60x = 991,524,953.34
  5. Step 5: Solve for x
    x = 991,524,953.34/32,166.60
  6. Step 6: Final answer
    x = 30,824.67

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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.