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Finding the Fourth Proportional to 62,962.60, 94,443.90 and 21,409.60

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Solution

The fourth proportional to 62,962.60, 94,443.90 and 21,409.60 is: 32,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,962.60 : 94,443.90 = 21,409.60 : x
  2. Step 2: Convert to fraction form
    62,962.60/94,443.90 = 21,409.60/x
  3. Step 3: Cross multiply
    62,962.60x = 94,443.90 × 21,409.60
  4. Step 4: Simplify right side
    62,962.60x = 2,022,006,121.44
  5. Step 5: Solve for x
    x = 2,022,006,121.44/62,962.60
  6. Step 6: Final answer
    x = 32,114.40

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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.