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Finding the Fourth Proportional to 27,901.76, 41,866.88 and 18,548.16

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Solution

The fourth proportional to 27,901.76, 41,866.88 and 18,548.16 is: 27,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,901.76 : 41,866.88 = 18,548.16 : x
  2. Step 2: Convert to fraction form
    27,901.76/41,866.88 = 18,548.16/x
  3. Step 3: Cross multiply
    27,901.76x = 41,866.88 × 18,548.16
  4. Step 4: Simplify right side
    27,901.76x = 776,553,588.94
  5. Step 5: Solve for x
    x = 776,553,588.94/27,901.76
  6. Step 6: Final answer
    x = 27,831.71

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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.