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Finding the Fourth Proportional to 62,064, 85,647.60 and 33,769.20

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Solution

The fourth proportional to 62,064, 85,647.60 and 33,769.20 is: 46,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,064 : 85,647.60 = 33,769.20 : x
  2. Step 2: Convert to fraction form
    62,064/85,647.60 = 33,769.20/x
  3. Step 3: Cross multiply
    62,064x = 85,647.60 × 33,769.20
  4. Step 4: Simplify right side
    62,064x = 2,892,250,933.92
  5. Step 5: Solve for x
    x = 2,892,250,933.92/62,064
  6. Step 6: Final answer
    x = 46,601.10

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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.