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Finding the Fourth Proportional to 34,762.20, 52,137.90 and 9,799.80

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Solution

The fourth proportional to 34,762.20, 52,137.90 and 9,799.80 is: 14,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,762.20 : 52,137.90 = 9,799.80 : x
  2. Step 2: Convert to fraction form
    34,762.20/52,137.90 = 9,799.80/x
  3. Step 3: Cross multiply
    34,762.20x = 52,137.90 × 9,799.80
  4. Step 4: Simplify right side
    34,762.20x = 510,940,992.42
  5. Step 5: Solve for x
    x = 510,940,992.42/34,762.20
  6. Step 6: Final answer
    x = 14,698.18

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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.