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Finding the Fourth Proportional to 30,229.95, 41,710.89 and 16,798.39

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Solution

The fourth proportional to 30,229.95, 41,710.89 and 16,798.39 is: 23,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229.95 : 41,710.89 = 16,798.39 : x
  2. Step 2: Convert to fraction form
    30,229.95/41,710.89 = 16,798.39/x
  3. Step 3: Cross multiply
    30,229.95x = 41,710.89 × 16,798.39
  4. Step 4: Simplify right side
    30,229.95x = 700,675,797.47
  5. Step 5: Solve for x
    x = 700,675,797.47/30,229.95
  6. Step 6: Final answer
    x = 23,178.20

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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.