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Finding the Fourth Proportional to 22,336.68, 30,828.60 and 16,699.68

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Solution

The fourth proportional to 22,336.68, 30,828.60 and 16,699.68 is: 23,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,336.68 : 30,828.60 = 16,699.68 : x
  2. Step 2: Convert to fraction form
    22,336.68/30,828.60 = 16,699.68/x
  3. Step 3: Cross multiply
    22,336.68x = 30,828.60 × 16,699.68
  4. Step 4: Simplify right side
    22,336.68x = 514,827,754.85
  5. Step 5: Solve for x
    x = 514,827,754.85/22,336.68
  6. Step 6: Final answer
    x = 23,048.54

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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.