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Finding the Fourth Proportional to 62,553.60, 93,611.70 and 43,745.40

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Solution

The fourth proportional to 62,553.60, 93,611.70 and 43,745.40 is: 65,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,553.60 : 93,611.70 = 43,745.40 : x
  2. Step 2: Convert to fraction form
    62,553.60/93,611.70 = 43,745.40/x
  3. Step 3: Cross multiply
    62,553.60x = 93,611.70 × 43,745.40
  4. Step 4: Simplify right side
    62,553.60x = 4,095,081,261.18
  5. Step 5: Solve for x
    x = 4,095,081,261.18/62,553.60
  6. Step 6: Final answer
    x = 65,465.16

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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.