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Finding the Fourth Proportional to 57,726.49, 79,675.84 and 33,860.85

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Solution

The fourth proportional to 57,726.49, 79,675.84 and 33,860.85 is: 46,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,726.49 : 79,675.84 = 33,860.85 : x
  2. Step 2: Convert to fraction form
    57,726.49/79,675.84 = 33,860.85/x
  3. Step 3: Cross multiply
    57,726.49x = 79,675.84 × 33,860.85
  4. Step 4: Simplify right side
    57,726.49x = 2,697,891,666.86
  5. Step 5: Solve for x
    x = 2,697,891,666.86/57,726.49
  6. Step 6: Final answer
    x = 46,735.76

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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.