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Finding the Fourth Proportional to 17,953.29, 26,929.98 and 4,805.64

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Solution

The fourth proportional to 17,953.29, 26,929.98 and 4,805.64 is: 7,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.29 : 26,929.98 = 4,805.64 : x
  2. Step 2: Convert to fraction form
    17,953.29/26,929.98 = 4,805.64/x
  3. Step 3: Cross multiply
    17,953.29x = 26,929.98 × 4,805.64
  4. Step 4: Simplify right side
    17,953.29x = 129,415,789.09
  5. Step 5: Solve for x
    x = 129,415,789.09/17,953.29
  6. Step 6: Final answer
    x = 7,208.47

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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.