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Finding the Fourth Proportional to 60,004.40, 89,898.60 and 28,770.80

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Solution

The fourth proportional to 60,004.40, 89,898.60 and 28,770.80 is: 43,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,004.40 : 89,898.60 = 28,770.80 : x
  2. Step 2: Convert to fraction form
    60,004.40/89,898.60 = 28,770.80/x
  3. Step 3: Cross multiply
    60,004.40x = 89,898.60 × 28,770.80
  4. Step 4: Simplify right side
    60,004.40x = 2,586,454,640.88
  5. Step 5: Solve for x
    x = 2,586,454,640.88/60,004.40
  6. Step 6: Final answer
    x = 43,104.42

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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.