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Finding the Fourth Proportional to 34,166.20, 51,258.90 and 14,454.20

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Solution

The fourth proportional to 34,166.20, 51,258.90 and 14,454.20 is: 21,685.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,166.20 : 51,258.90 = 14,454.20 : x
  2. Step 2: Convert to fraction form
    34,166.20/51,258.90 = 14,454.20/x
  3. Step 3: Cross multiply
    34,166.20x = 51,258.90 × 14,454.20
  4. Step 4: Simplify right side
    34,166.20x = 740,906,392.38
  5. Step 5: Solve for x
    x = 740,906,392.38/34,166.20
  6. Step 6: Final answer
    x = 21,685.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.