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Finding the Fourth Proportional to 60,490.44, 90,735.80 and 18,370.85

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Solution

The fourth proportional to 60,490.44, 90,735.80 and 18,370.85 is: 27,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,490.44 : 90,735.80 = 18,370.85 : x
  2. Step 2: Convert to fraction form
    60,490.44/90,735.80 = 18,370.85/x
  3. Step 3: Cross multiply
    60,490.44x = 90,735.80 × 18,370.85
  4. Step 4: Simplify right side
    60,490.44x = 1,666,893,225.90
  5. Step 5: Solve for x
    x = 1,666,893,225.90/60,490.44
  6. Step 6: Final answer
    x = 27,556.31

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1.5x scale

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.