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Finding the Fourth Proportional to 24,789, 34,237.98 and 16,817.40

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Solution

The fourth proportional to 24,789, 34,237.98 and 16,817.40 is: 23,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,789 : 34,237.98 = 16,817.40 : x
  2. Step 2: Convert to fraction form
    24,789/34,237.98 = 16,817.40/x
  3. Step 3: Cross multiply
    24,789x = 34,237.98 × 16,817.40
  4. Step 4: Simplify right side
    24,789x = 575,793,804.85
  5. Step 5: Solve for x
    x = 575,793,804.85/24,789
  6. Step 6: Final answer
    x = 23,227.79

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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.