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Finding the Fourth Proportional to 30,923.52, 42,655.47 and 27,326.94

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Solution

The fourth proportional to 30,923.52, 42,655.47 and 27,326.94 is: 37,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,923.52 : 42,655.47 = 27,326.94 : x
  2. Step 2: Convert to fraction form
    30,923.52/42,655.47 = 27,326.94/x
  3. Step 3: Cross multiply
    30,923.52x = 42,655.47 × 27,326.94
  4. Step 4: Simplify right side
    30,923.52x = 1,165,643,469.36
  5. Step 5: Solve for x
    x = 1,165,643,469.36/30,923.52
  6. Step 6: Final answer
    x = 37,694.40

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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.