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Finding the Fourth Proportional to 18,590.58, 27,887.04 and 7,497.36

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Solution

The fourth proportional to 18,590.58, 27,887.04 and 7,497.36 is: 11,246.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.58 : 27,887.04 = 7,497.36 : x
  2. Step 2: Convert to fraction form
    18,590.58/27,887.04 = 7,497.36/x
  3. Step 3: Cross multiply
    18,590.58x = 27,887.04 × 7,497.36
  4. Step 4: Simplify right side
    18,590.58x = 209,079,178.21
  5. Step 5: Solve for x
    x = 209,079,178.21/18,590.58
  6. Step 6: Final answer
    x = 11,246.51

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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.