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Finding the Fourth Proportional to 32,664.48, 48,999.96 and 12,956.64

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Solution

The fourth proportional to 32,664.48, 48,999.96 and 12,956.64 is: 19,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,664.48 : 48,999.96 = 12,956.64 : x
  2. Step 2: Convert to fraction form
    32,664.48/48,999.96 = 12,956.64/x
  3. Step 3: Cross multiply
    32,664.48x = 48,999.96 × 12,956.64
  4. Step 4: Simplify right side
    32,664.48x = 634,874,841.73
  5. Step 5: Solve for x
    x = 634,874,841.73/32,664.48
  6. Step 6: Final answer
    x = 19,436.25

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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.