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Finding the Fourth Proportional to 56,329.56, 77,798.61 and 38,393.73

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Solution

The fourth proportional to 56,329.56, 77,798.61 and 38,393.73 is: 53,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,329.56 : 77,798.61 = 38,393.73 : x
  2. Step 2: Convert to fraction form
    56,329.56/77,798.61 = 38,393.73/x
  3. Step 3: Cross multiply
    56,329.56x = 77,798.61 × 38,393.73
  4. Step 4: Simplify right side
    56,329.56x = 2,986,978,826.72
  5. Step 5: Solve for x
    x = 2,986,978,826.72/56,329.56
  6. Step 6: Final answer
    x = 53,026.84

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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.