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Finding the Fourth Proportional to 32,968, 49,458.20 and 13,248.12

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Solution

The fourth proportional to 32,968, 49,458.20 and 13,248.12 is: 19,874.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,968 : 49,458.20 = 13,248.12 : x
  2. Step 2: Convert to fraction form
    32,968/49,458.20 = 13,248.12/x
  3. Step 3: Cross multiply
    32,968x = 49,458.20 × 13,248.12
  4. Step 4: Simplify right side
    32,968x = 655,228,168.58
  5. Step 5: Solve for x
    x = 655,228,168.58/32,968
  6. Step 6: Final answer
    x = 19,874.67

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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.