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Finding the Fourth Proportional to 32,576.96, 48,865.92 and 12,858.32

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Solution

The fourth proportional to 32,576.96, 48,865.92 and 12,858.32 is: 19,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,576.96 : 48,865.92 = 12,858.32 : x
  2. Step 2: Convert to fraction form
    32,576.96/48,865.92 = 12,858.32/x
  3. Step 3: Cross multiply
    32,576.96x = 48,865.92 × 12,858.32
  4. Step 4: Simplify right side
    32,576.96x = 628,333,636.45
  5. Step 5: Solve for x
    x = 628,333,636.45/32,576.96
  6. Step 6: Final answer
    x = 19,287.67

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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.