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Finding the Fourth Proportional to 42,092.60, 63,211.80 and 22,409.60

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Solution

The fourth proportional to 42,092.60, 63,211.80 and 22,409.60 is: 33,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,092.60 : 63,211.80 = 22,409.60 : x
  2. Step 2: Convert to fraction form
    42,092.60/63,211.80 = 22,409.60/x
  3. Step 3: Cross multiply
    42,092.60x = 63,211.80 × 22,409.60
  4. Step 4: Simplify right side
    42,092.60x = 1,416,551,153.28
  5. Step 5: Solve for x
    x = 1,416,551,153.28/42,092.60
  6. Step 6: Final answer
    x = 33,653.21

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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.