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Finding the Fourth Proportional to 58,362.60, 80,540.04 and 33,212.16

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Solution

The fourth proportional to 58,362.60, 80,540.04 and 33,212.16 is: 45,832.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,362.60 : 80,540.04 = 33,212.16 : x
  2. Step 2: Convert to fraction form
    58,362.60/80,540.04 = 33,212.16/x
  3. Step 3: Cross multiply
    58,362.60x = 80,540.04 × 33,212.16
  4. Step 4: Simplify right side
    58,362.60x = 2,674,908,694.89
  5. Step 5: Solve for x
    x = 2,674,908,694.89/58,362.60
  6. Step 6: Final answer
    x = 45,832.58

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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.