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Finding the Fourth Proportional to 17,393, 26,091.34 and 5,547.68

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Solution

The fourth proportional to 17,393, 26,091.34 and 5,547.68 is: 8,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,393 : 26,091.34 = 5,547.68 : x
  2. Step 2: Convert to fraction form
    17,393/26,091.34 = 5,547.68/x
  3. Step 3: Cross multiply
    17,393x = 26,091.34 × 5,547.68
  4. Step 4: Simplify right side
    17,393x = 144,746,405.09
  5. Step 5: Solve for x
    x = 144,746,405.09/17,393
  6. Step 6: Final answer
    x = 8,322.11

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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.