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Finding the Fourth Proportional to 64,466.57, 96,704.37 and 26,988.81

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Solution

The fourth proportional to 64,466.57, 96,704.37 and 26,988.81 is: 40,485.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,466.57 : 96,704.37 = 26,988.81 : x
  2. Step 2: Convert to fraction form
    64,466.57/96,704.37 = 26,988.81/x
  3. Step 3: Cross multiply
    64,466.57x = 96,704.37 × 26,988.81
  4. Step 4: Simplify right side
    64,466.57x = 2,609,935,868.10
  5. Step 5: Solve for x
    x = 2,609,935,868.10/64,466.57
  6. Step 6: Final answer
    x = 40,485.11

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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.