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Finding the Fourth Proportional to 27,133.99, 40,727.25 and 13,103.87

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Solution

The fourth proportional to 27,133.99, 40,727.25 and 13,103.87 is: 19,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,133.99 : 40,727.25 = 13,103.87 : x
  2. Step 2: Convert to fraction form
    27,133.99/40,727.25 = 13,103.87/x
  3. Step 3: Cross multiply
    27,133.99x = 40,727.25 × 13,103.87
  4. Step 4: Simplify right side
    27,133.99x = 533,684,385.82
  5. Step 5: Solve for x
    x = 533,684,385.82/27,133.99
  6. Step 6: Final answer
    x = 19,668.48

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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.