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Finding the Fourth Proportional to 29,821.80, 41,152.03 and 16,392.77

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Solution

The fourth proportional to 29,821.80, 41,152.03 and 16,392.77 is: 22,620.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,821.80 : 41,152.03 = 16,392.77 : x
  2. Step 2: Convert to fraction form
    29,821.80/41,152.03 = 16,392.77/x
  3. Step 3: Cross multiply
    29,821.80x = 41,152.03 × 16,392.77
  4. Step 4: Simplify right side
    29,821.80x = 674,595,762.82
  5. Step 5: Solve for x
    x = 674,595,762.82/29,821.80
  6. Step 6: Final answer
    x = 22,620.89

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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.