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Finding the Fourth Proportional to 56,329.40, 84,520.83 and 28,251.97

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Solution

The fourth proportional to 56,329.40, 84,520.83 and 28,251.97 is: 42,391.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,329.40 : 84,520.83 = 28,251.97 : x
  2. Step 2: Convert to fraction form
    56,329.40/84,520.83 = 28,251.97/x
  3. Step 3: Cross multiply
    56,329.40x = 84,520.83 × 28,251.97
  4. Step 4: Simplify right side
    56,329.40x = 2,387,879,953.54
  5. Step 5: Solve for x
    x = 2,387,879,953.54/56,329.40
  6. Step 6: Final answer
    x = 42,391.36

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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.