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Finding the Fourth Proportional to 17,572.95, 26,362.94 and 6,479.69

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Solution

The fourth proportional to 17,572.95, 26,362.94 and 6,479.69 is: 9,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,572.95 : 26,362.94 = 6,479.69 : x
  2. Step 2: Convert to fraction form
    17,572.95/26,362.94 = 6,479.69/x
  3. Step 3: Cross multiply
    17,572.95x = 26,362.94 × 6,479.69
  4. Step 4: Simplify right side
    17,572.95x = 170,823,514.48
  5. Step 5: Solve for x
    x = 170,823,514.48/17,572.95
  6. Step 6: Final answer
    x = 9,720.82

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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.