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Finding the Fourth Proportional to 29,341, 40,489.86 and 16,764.94

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Solution

The fourth proportional to 29,341, 40,489.86 and 16,764.94 is: 23,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,341 : 40,489.86 = 16,764.94 : x
  2. Step 2: Convert to fraction form
    29,341/40,489.86 = 16,764.94/x
  3. Step 3: Cross multiply
    29,341x = 40,489.86 × 16,764.94
  4. Step 4: Simplify right side
    29,341x = 678,810,073.51
  5. Step 5: Solve for x
    x = 678,810,073.51/29,341
  6. Step 6: Final answer
    x = 23,135.21

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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.