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Finding the Fourth Proportional to 60,346.70, 90,522.48 and 28,740.50

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Solution

The fourth proportional to 60,346.70, 90,522.48 and 28,740.50 is: 43,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,346.70 : 90,522.48 = 28,740.50 : x
  2. Step 2: Convert to fraction form
    60,346.70/90,522.48 = 28,740.50/x
  3. Step 3: Cross multiply
    60,346.70x = 90,522.48 × 28,740.50
  4. Step 4: Simplify right side
    60,346.70x = 2,601,661,336.44
  5. Step 5: Solve for x
    x = 2,601,661,336.44/60,346.70
  6. Step 6: Final answer
    x = 43,111.91

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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.