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Finding the Fourth Proportional to 75,383.16, 113,074.80 and 33,254.32

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Solution

The fourth proportional to 75,383.16, 113,074.80 and 33,254.32 is: 49,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,383.16 : 113,074.80 = 33,254.32 : x
  2. Step 2: Convert to fraction form
    75,383.16/113,074.80 = 33,254.32/x
  3. Step 3: Cross multiply
    75,383.16x = 113,074.80 × 33,254.32
  4. Step 4: Simplify right side
    75,383.16x = 3,760,225,583.14
  5. Step 5: Solve for x
    x = 3,760,225,583.14/75,383.16
  6. Step 6: Final answer
    x = 49,881.51

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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.