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Finding the Fourth Proportional to 16,696.40, 25,041.40 and 5,009.60

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Solution

The fourth proportional to 16,696.40, 25,041.40 and 5,009.60 is: 7,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,696.40 : 25,041.40 = 5,009.60 : x
  2. Step 2: Convert to fraction form
    16,696.40/25,041.40 = 5,009.60/x
  3. Step 3: Cross multiply
    16,696.40x = 25,041.40 × 5,009.60
  4. Step 4: Simplify right side
    16,696.40x = 125,447,397.44
  5. Step 5: Solve for x
    x = 125,447,397.44/16,696.40
  6. Step 6: Final answer
    x = 7,513.44

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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.