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Finding the Fourth Proportional to 36,520.34, 54,780.50 and 8,818.34

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Solution

The fourth proportional to 36,520.34, 54,780.50 and 8,818.34 is: 13,227.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,520.34 : 54,780.50 = 8,818.34 : x
  2. Step 2: Convert to fraction form
    36,520.34/54,780.50 = 8,818.34/x
  3. Step 3: Cross multiply
    36,520.34x = 54,780.50 × 8,818.34
  4. Step 4: Simplify right side
    36,520.34x = 483,072,822.51
  5. Step 5: Solve for x
    x = 483,072,822.51/36,520.34
  6. Step 6: Final answer
    x = 13,227.50

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Find fourth proportional to 36,521.34, 54,782 and 8,819.34
Similar ratio
Find fourth proportional to 54,780.50, 82,170.75 and 13,227.50
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.