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Finding the Fourth Proportional to 17,696.58, 26,543.98 and 6,602.40

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Solution

The fourth proportional to 17,696.58, 26,543.98 and 6,602.40 is: 9,903.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,696.58 : 26,543.98 = 6,602.40 : x
  2. Step 2: Convert to fraction form
    17,696.58/26,543.98 = 6,602.40/x
  3. Step 3: Cross multiply
    17,696.58x = 26,543.98 × 6,602.40
  4. Step 4: Simplify right side
    17,696.58x = 175,253,973.55
  5. Step 5: Solve for x
    x = 175,253,973.55/17,696.58
  6. Step 6: Final answer
    x = 9,903.27

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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.