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Finding the Fourth Proportional to 53,393.76, 73,698.01 and 33,238.67

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Solution

The fourth proportional to 53,393.76, 73,698.01 and 33,238.67 is: 45,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,393.76 : 73,698.01 = 33,238.67 : x
  2. Step 2: Convert to fraction form
    53,393.76/73,698.01 = 33,238.67/x
  3. Step 3: Cross multiply
    53,393.76x = 73,698.01 × 33,238.67
  4. Step 4: Simplify right side
    53,393.76x = 2,449,623,382.46
  5. Step 5: Solve for x
    x = 2,449,623,382.46/53,393.76
  6. Step 6: Final answer
    x = 45,878.46

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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.