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Finding the Fourth Proportional to 60,250.88, 90,316.32 and 28,605.44

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Solution

The fourth proportional to 60,250.88, 90,316.32 and 28,605.44 is: 42,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,250.88 : 90,316.32 = 28,605.44 : x
  2. Step 2: Convert to fraction form
    60,250.88/90,316.32 = 28,605.44/x
  3. Step 3: Cross multiply
    60,250.88x = 90,316.32 × 28,605.44
  4. Step 4: Simplify right side
    60,250.88x = 2,583,538,072.78
  5. Step 5: Solve for x
    x = 2,583,538,072.78/60,250.88
  6. Step 6: Final answer
    x = 42,879.67

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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.