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Finding the Fourth Proportional to 17,656.69, 26,485.08 and 4,329.74

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Solution

The fourth proportional to 17,656.69, 26,485.08 and 4,329.74 is: 6,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,656.69 : 26,485.08 = 4,329.74 : x
  2. Step 2: Convert to fraction form
    17,656.69/26,485.08 = 4,329.74/x
  3. Step 3: Cross multiply
    17,656.69x = 26,485.08 × 4,329.74
  4. Step 4: Simplify right side
    17,656.69x = 114,673,510.28
  5. Step 5: Solve for x
    x = 114,673,510.28/17,656.69
  6. Step 6: Final answer
    x = 6,494.62

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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.