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Finding the Fourth Proportional to 29,762.70, 44,590.05 and 14,145.90

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Solution

The fourth proportional to 29,762.70, 44,590.05 and 14,145.90 is: 21,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,762.70 : 44,590.05 = 14,145.90 : x
  2. Step 2: Convert to fraction form
    29,762.70/44,590.05 = 14,145.90/x
  3. Step 3: Cross multiply
    29,762.70x = 44,590.05 × 14,145.90
  4. Step 4: Simplify right side
    29,762.70x = 630,766,388.30
  5. Step 5: Solve for x
    x = 630,766,388.30/29,762.70
  6. Step 6: Final answer
    x = 21,193.18

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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.