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Finding the Fourth Proportional to 41,178.96, 61,762.68 and 13,098.96

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Solution

The fourth proportional to 41,178.96, 61,762.68 and 13,098.96 is: 19,646.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,178.96 : 61,762.68 = 13,098.96 : x
  2. Step 2: Convert to fraction form
    41,178.96/61,762.68 = 13,098.96/x
  3. Step 3: Cross multiply
    41,178.96x = 61,762.68 × 13,098.96
  4. Step 4: Simplify right side
    41,178.96x = 809,026,874.81
  5. Step 5: Solve for x
    x = 809,026,874.81/41,178.96
  6. Step 6: Final answer
    x = 19,646.61

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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.