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Finding the Fourth Proportional to 35,854.58, 49,485.43 and 20,747.68

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Solution

The fourth proportional to 35,854.58, 49,485.43 and 20,747.68 is: 28,635.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,854.58 : 49,485.43 = 20,747.68 : x
  2. Step 2: Convert to fraction form
    35,854.58/49,485.43 = 20,747.68/x
  3. Step 3: Cross multiply
    35,854.58x = 49,485.43 × 20,747.68
  4. Step 4: Simplify right side
    35,854.58x = 1,026,707,768.52
  5. Step 5: Solve for x
    x = 1,026,707,768.52/35,854.58
  6. Step 6: Final answer
    x = 28,635.33

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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.