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Finding the Fourth Proportional to 64,374.40, 96,561.60 and 17,625.60

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Solution

The fourth proportional to 64,374.40, 96,561.60 and 17,625.60 is: 26,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,374.40 : 96,561.60 = 17,625.60 : x
  2. Step 2: Convert to fraction form
    64,374.40/96,561.60 = 17,625.60/x
  3. Step 3: Cross multiply
    64,374.40x = 96,561.60 × 17,625.60
  4. Step 4: Simplify right side
    64,374.40x = 1,701,956,136.96
  5. Step 5: Solve for x
    x = 1,701,956,136.96/64,374.40
  6. Step 6: Final answer
    x = 26,438.40

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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.