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Finding the Fourth Proportional to 27,487.92, 37,934.01 and 16,871.52

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Solution

The fourth proportional to 27,487.92, 37,934.01 and 16,871.52 is: 23,283.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,487.92 : 37,934.01 = 16,871.52 : x
  2. Step 2: Convert to fraction form
    27,487.92/37,934.01 = 16,871.52/x
  3. Step 3: Cross multiply
    27,487.92x = 37,934.01 × 16,871.52
  4. Step 4: Simplify right side
    27,487.92x = 640,004,408.40
  5. Step 5: Solve for x
    x = 640,004,408.40/27,487.92
  6. Step 6: Final answer
    x = 23,283.12

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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.