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Finding the Fourth Proportional to 65,000.83, 89,692.15 and 36,316.89

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Solution

The fourth proportional to 65,000.83, 89,692.15 and 36,316.89 is: 50,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,000.83 : 89,692.15 = 36,316.89 : x
  2. Step 2: Convert to fraction form
    65,000.83/89,692.15 = 36,316.89/x
  3. Step 3: Cross multiply
    65,000.83x = 89,692.15 × 36,316.89
  4. Step 4: Simplify right side
    65,000.83x = 3,257,339,945.41
  5. Step 5: Solve for x
    x = 3,257,339,945.41/65,000.83
  6. Step 6: Final answer
    x = 50,112.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.