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Finding the Fourth Proportional to 27,896.40, 41,831.40 and 16,213.20

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Solution

The fourth proportional to 27,896.40, 41,831.40 and 16,213.20 is: 24,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,896.40 : 41,831.40 = 16,213.20 : x
  2. Step 2: Convert to fraction form
    27,896.40/41,831.40 = 16,213.20/x
  3. Step 3: Cross multiply
    27,896.40x = 41,831.40 × 16,213.20
  4. Step 4: Simplify right side
    27,896.40x = 678,220,854.48
  5. Step 5: Solve for x
    x = 678,220,854.48/27,896.40
  6. Step 6: Final answer
    x = 24,312.13

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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.