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Finding the Fourth Proportional to 17,802.72, 26,695.08 and 10,409.58

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Solution

The fourth proportional to 17,802.72, 26,695.08 and 10,409.58 is: 15,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,802.72 : 26,695.08 = 10,409.58 : x
  2. Step 2: Convert to fraction form
    17,802.72/26,695.08 = 10,409.58/x
  3. Step 3: Cross multiply
    17,802.72x = 26,695.08 × 10,409.58
  4. Step 4: Simplify right side
    17,802.72x = 277,884,570.87
  5. Step 5: Solve for x
    x = 277,884,570.87/17,802.72
  6. Step 6: Final answer
    x = 15,609.11

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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.