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Finding the Fourth Proportional to 26,696.60, 40,000.92 and 9,156.80

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Solution

The fourth proportional to 26,696.60, 40,000.92 and 9,156.80 is: 13,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,696.60 : 40,000.92 = 9,156.80 : x
  2. Step 2: Convert to fraction form
    26,696.60/40,000.92 = 9,156.80/x
  3. Step 3: Cross multiply
    26,696.60x = 40,000.92 × 9,156.80
  4. Step 4: Simplify right side
    26,696.60x = 366,280,424.26
  5. Step 5: Solve for x
    x = 366,280,424.26/26,696.60
  6. Step 6: Final answer
    x = 13,720.12

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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.