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Finding the Fourth Proportional to 26,672.58, 36,806.25 and 14,735.82

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Solution

The fourth proportional to 26,672.58, 36,806.25 and 14,735.82 is: 20,334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,672.58 : 36,806.25 = 14,735.82 : x
  2. Step 2: Convert to fraction form
    26,672.58/36,806.25 = 14,735.82/x
  3. Step 3: Cross multiply
    26,672.58x = 36,806.25 × 14,735.82
  4. Step 4: Simplify right side
    26,672.58x = 542,370,274.88
  5. Step 5: Solve for x
    x = 542,370,274.88/26,672.58
  6. Step 6: Final answer
    x = 20,334.38

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Find fourth proportional to 13,336.29, 18,403.13 and 7,367.91
Half scale
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Double scale
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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.