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Finding the Fourth Proportional to 64,517.58, 96,737.04 and 28,971.99

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Solution

The fourth proportional to 64,517.58, 96,737.04 and 28,971.99 is: 43,440.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,517.58 : 96,737.04 = 28,971.99 : x
  2. Step 2: Convert to fraction form
    64,517.58/96,737.04 = 28,971.99/x
  3. Step 3: Cross multiply
    64,517.58x = 96,737.04 × 28,971.99
  4. Step 4: Simplify right side
    64,517.58x = 2,802,664,555.51
  5. Step 5: Solve for x
    x = 2,802,664,555.51/64,517.58
  6. Step 6: Final answer
    x = 43,440.32

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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.