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Finding the Fourth Proportional to 56,176.80, 84,265.53 and 18,736.77

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Solution

The fourth proportional to 56,176.80, 84,265.53 and 18,736.77 is: 28,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,176.80 : 84,265.53 = 18,736.77 : x
  2. Step 2: Convert to fraction form
    56,176.80/84,265.53 = 18,736.77/x
  3. Step 3: Cross multiply
    56,176.80x = 84,265.53 × 18,736.77
  4. Step 4: Simplify right side
    56,176.80x = 1,578,863,854.54
  5. Step 5: Solve for x
    x = 1,578,863,854.54/56,176.80
  6. Step 6: Final answer
    x = 28,105.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.