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Finding the Fourth Proportional to 58,999.89, 81,349.05 and 48,204.75

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Solution

The fourth proportional to 58,999.89, 81,349.05 and 48,204.75 is: 66,464.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,999.89 : 81,349.05 = 48,204.75 : x
  2. Step 2: Convert to fraction form
    58,999.89/81,349.05 = 48,204.75/x
  3. Step 3: Cross multiply
    58,999.89x = 81,349.05 × 48,204.75
  4. Step 4: Simplify right side
    58,999.89x = 3,921,410,617.99
  5. Step 5: Solve for x
    x = 3,921,410,617.99/58,999.89
  6. Step 6: Final answer
    x = 66,464.71

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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.