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Finding the Fourth Proportional to 29,454.16, 40,626.04 and 19,379.38

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Solution

The fourth proportional to 29,454.16, 40,626.04 and 19,379.38 is: 26,729.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,454.16 : 40,626.04 = 19,379.38 : x
  2. Step 2: Convert to fraction form
    29,454.16/40,626.04 = 19,379.38/x
  3. Step 3: Cross multiply
    29,454.16x = 40,626.04 × 19,379.38
  4. Step 4: Simplify right side
    29,454.16x = 787,307,467.06
  5. Step 5: Solve for x
    x = 787,307,467.06/29,454.16
  6. Step 6: Final answer
    x = 26,729.92

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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.