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Finding the Fourth Proportional to 29,445.94, 40,648.67 and 19,379.67

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Solution

The fourth proportional to 29,445.94, 40,648.67 and 19,379.67 is: 26,752.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,445.94 : 40,648.67 = 19,379.67 : x
  2. Step 2: Convert to fraction form
    29,445.94/40,648.67 = 19,379.67/x
  3. Step 3: Cross multiply
    29,445.94x = 40,648.67 × 19,379.67
  4. Step 4: Simplify right side
    29,445.94x = 787,757,810.54
  5. Step 5: Solve for x
    x = 787,757,810.54/29,445.94
  6. Step 6: Final answer
    x = 26,752.68

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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.