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Finding the Fourth Proportional to 29,202.84, 40,303.05 and 17,879.94

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Solution

The fourth proportional to 29,202.84, 40,303.05 and 17,879.94 is: 24,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,202.84 : 40,303.05 = 17,879.94 : x
  2. Step 2: Convert to fraction form
    29,202.84/40,303.05 = 17,879.94/x
  3. Step 3: Cross multiply
    29,202.84x = 40,303.05 × 17,879.94
  4. Step 4: Simplify right side
    29,202.84x = 720,616,115.82
  5. Step 5: Solve for x
    x = 720,616,115.82/29,202.84
  6. Step 6: Final answer
    x = 24,676.23

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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.