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Finding the Fourth Proportional to 17,789.24, 26,686.76 and 5,477.24

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Solution

The fourth proportional to 17,789.24, 26,686.76 and 5,477.24 is: 8,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,789.24 : 26,686.76 = 5,477.24 : x
  2. Step 2: Convert to fraction form
    17,789.24/26,686.76 = 5,477.24/x
  3. Step 3: Cross multiply
    17,789.24x = 26,686.76 × 5,477.24
  4. Step 4: Simplify right side
    17,789.24x = 146,169,789.34
  5. Step 5: Solve for x
    x = 146,169,789.34/17,789.24
  6. Step 6: Final answer
    x = 8,216.75

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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.