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Finding the Fourth Proportional to 54,703.62, 75,472.16 and 33,200.15

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Solution

The fourth proportional to 54,703.62, 75,472.16 and 33,200.15 is: 45,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,703.62 : 75,472.16 = 33,200.15 : x
  2. Step 2: Convert to fraction form
    54,703.62/75,472.16 = 33,200.15/x
  3. Step 3: Cross multiply
    54,703.62x = 75,472.16 × 33,200.15
  4. Step 4: Simplify right side
    54,703.62x = 2,505,686,489.46
  5. Step 5: Solve for x
    x = 2,505,686,489.46/54,703.62
  6. Step 6: Final answer
    x = 45,804.77

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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.