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Finding the Fourth Proportional to 27,341.94, 37,731.11 and 15,405.24

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Solution

The fourth proportional to 27,341.94, 37,731.11 and 15,405.24 is: 21,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,341.94 : 37,731.11 = 15,405.24 : x
  2. Step 2: Convert to fraction form
    27,341.94/37,731.11 = 15,405.24/x
  3. Step 3: Cross multiply
    27,341.94x = 37,731.11 × 15,405.24
  4. Step 4: Simplify right side
    27,341.94x = 581,256,727.99
  5. Step 5: Solve for x
    x = 581,256,727.99/27,341.94
  6. Step 6: Final answer
    x = 21,258.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.