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Finding the Fourth Proportional to 56,471.05, 77,932.49 and 33,805.65

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Solution

The fourth proportional to 56,471.05, 77,932.49 and 33,805.65 is: 46,653.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,471.05 : 77,932.49 = 33,805.65 : x
  2. Step 2: Convert to fraction form
    56,471.05/77,932.49 = 33,805.65/x
  3. Step 3: Cross multiply
    56,471.05x = 77,932.49 × 33,805.65
  4. Step 4: Simplify right side
    56,471.05x = 2,634,558,480.57
  5. Step 5: Solve for x
    x = 2,634,558,480.57/56,471.05
  6. Step 6: Final answer
    x = 46,653.26

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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.