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Finding the Fourth Proportional to 17,368.70, 26,053.05 and 9,976.64

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Solution

The fourth proportional to 17,368.70, 26,053.05 and 9,976.64 is: 14,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,368.70 : 26,053.05 = 9,976.64 : x
  2. Step 2: Convert to fraction form
    17,368.70/26,053.05 = 9,976.64/x
  3. Step 3: Cross multiply
    17,368.70x = 26,053.05 × 9,976.64
  4. Step 4: Simplify right side
    17,368.70x = 259,921,900.75
  5. Step 5: Solve for x
    x = 259,921,900.75/17,368.70
  6. Step 6: Final answer
    x = 14,964.96

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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.