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Finding the Fourth Proportional to 43,173.54, 64,808.91 and 33,430.32

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Solution

The fourth proportional to 43,173.54, 64,808.91 and 33,430.32 is: 50,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,173.54 : 64,808.91 = 33,430.32 : x
  2. Step 2: Convert to fraction form
    43,173.54/64,808.91 = 33,430.32/x
  3. Step 3: Cross multiply
    43,173.54x = 64,808.91 × 33,430.32
  4. Step 4: Simplify right side
    43,173.54x = 2,166,582,600.15
  5. Step 5: Solve for x
    x = 2,166,582,600.15/43,173.54
  6. Step 6: Final answer
    x = 50,183.11

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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.