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Finding the Fourth Proportional to 29,575.35, 40,813.45 and 16,828.26

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Solution

The fourth proportional to 29,575.35, 40,813.45 and 16,828.26 is: 23,222.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,575.35 : 40,813.45 = 16,828.26 : x
  2. Step 2: Convert to fraction form
    29,575.35/40,813.45 = 16,828.26/x
  3. Step 3: Cross multiply
    29,575.35x = 40,813.45 × 16,828.26
  4. Step 4: Simplify right side
    29,575.35x = 686,819,152.98
  5. Step 5: Solve for x
    x = 686,819,152.98/29,575.35
  6. Step 6: Final answer
    x = 23,222.69

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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.