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Finding the Fourth Proportional to 55,651.77, 76,799.21 and 30,501.27

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Solution

The fourth proportional to 55,651.77, 76,799.21 and 30,501.27 is: 42,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,651.77 : 76,799.21 = 30,501.27 : x
  2. Step 2: Convert to fraction form
    55,651.77/76,799.21 = 30,501.27/x
  3. Step 3: Cross multiply
    55,651.77x = 76,799.21 × 30,501.27
  4. Step 4: Simplify right side
    55,651.77x = 2,342,473,287.49
  5. Step 5: Solve for x
    x = 2,342,473,287.49/55,651.77
  6. Step 6: Final answer
    x = 42,091.62

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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.