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Finding the Fourth Proportional to 29,240, 40,358.40 and 17,907.44

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Solution

The fourth proportional to 29,240, 40,358.40 and 17,907.44 is: 24,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,240 : 40,358.40 = 17,907.44 : x
  2. Step 2: Convert to fraction form
    29,240/40,358.40 = 17,907.44/x
  3. Step 3: Cross multiply
    29,240x = 40,358.40 × 17,907.44
  4. Step 4: Simplify right side
    29,240x = 722,715,626.50
  5. Step 5: Solve for x
    x = 722,715,626.50/29,240
  6. Step 6: Final answer
    x = 24,716.68

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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.