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Finding the Fourth Proportional to 61,715.68, 85,243.60 and 44,692.96

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Solution

The fourth proportional to 61,715.68, 85,243.60 and 44,692.96 is: 61,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,715.68 : 85,243.60 = 44,692.96 : x
  2. Step 2: Convert to fraction form
    61,715.68/85,243.60 = 44,692.96/x
  3. Step 3: Cross multiply
    61,715.68x = 85,243.60 × 44,692.96
  4. Step 4: Simplify right side
    61,715.68x = 3,809,788,805.06
  5. Step 5: Solve for x
    x = 3,809,788,805.06/61,715.68
  6. Step 6: Final answer
    x = 61,731.29

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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.