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Finding the Fourth Proportional to 54,203.58, 74,831.04 and 37,217.88

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Solution

The fourth proportional to 54,203.58, 74,831.04 and 37,217.88 is: 51,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,203.58 : 74,831.04 = 37,217.88 : x
  2. Step 2: Convert to fraction form
    54,203.58/74,831.04 = 37,217.88/x
  3. Step 3: Cross multiply
    54,203.58x = 74,831.04 × 37,217.88
  4. Step 4: Simplify right side
    54,203.58x = 2,785,052,667.00
  5. Step 5: Solve for x
    x = 2,785,052,667.00/54,203.58
  6. Step 6: Final answer
    x = 51,381.34

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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.