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Finding the Fourth Proportional to 17,696.68, 26,547.92 and 7,167.39

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Solution

The fourth proportional to 17,696.68, 26,547.92 and 7,167.39 is: 10,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,696.68 : 26,547.92 = 7,167.39 : x
  2. Step 2: Convert to fraction form
    17,696.68/26,547.92 = 7,167.39/x
  3. Step 3: Cross multiply
    17,696.68x = 26,547.92 × 7,167.39
  4. Step 4: Simplify right side
    17,696.68x = 190,279,187.81
  5. Step 5: Solve for x
    x = 190,279,187.81/17,696.68
  6. Step 6: Final answer
    x = 10,752.25

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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.