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Finding the Fourth Proportional to 64,704.70, 97,017.45 and 25,216.30

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Solution

The fourth proportional to 64,704.70, 97,017.45 and 25,216.30 is: 37,809.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,704.70 : 97,017.45 = 25,216.30 : x
  2. Step 2: Convert to fraction form
    64,704.70/97,017.45 = 25,216.30/x
  3. Step 3: Cross multiply
    64,704.70x = 97,017.45 × 25,216.30
  4. Step 4: Simplify right side
    64,704.70x = 2,446,421,124.44
  5. Step 5: Solve for x
    x = 2,446,421,124.44/64,704.70
  6. Step 6: Final answer
    x = 37,809.02

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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.