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Finding the Fourth Proportional to 27,533.70, 37,991.06 and 16,203.68

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Solution

The fourth proportional to 27,533.70, 37,991.06 and 16,203.68 is: 22,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,533.70 : 37,991.06 = 16,203.68 : x
  2. Step 2: Convert to fraction form
    27,533.70/37,991.06 = 16,203.68/x
  3. Step 3: Cross multiply
    27,533.70x = 37,991.06 × 16,203.68
  4. Step 4: Simplify right side
    27,533.70x = 615,594,708.13
  5. Step 5: Solve for x
    x = 615,594,708.13/27,533.70
  6. Step 6: Final answer
    x = 22,357.86

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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.