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Finding the Fourth Proportional to 56,230.80, 84,321.42 and 29,929.32

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Solution

The fourth proportional to 56,230.80, 84,321.42 and 29,929.32 is: 44,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,230.80 : 84,321.42 = 29,929.32 : x
  2. Step 2: Convert to fraction form
    56,230.80/84,321.42 = 29,929.32/x
  3. Step 3: Cross multiply
    56,230.80x = 84,321.42 × 29,929.32
  4. Step 4: Simplify right side
    56,230.80x = 2,523,682,762.03
  5. Step 5: Solve for x
    x = 2,523,682,762.03/56,230.80
  6. Step 6: Final answer
    x = 44,880.79

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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.