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Finding the Fourth Proportional to 37,655.82, 51,963.28 and 20,659.68

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Solution

The fourth proportional to 37,655.82, 51,963.28 and 20,659.68 is: 28,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,655.82 : 51,963.28 = 20,659.68 : x
  2. Step 2: Convert to fraction form
    37,655.82/51,963.28 = 20,659.68/x
  3. Step 3: Cross multiply
    37,655.82x = 51,963.28 × 20,659.68
  4. Step 4: Simplify right side
    37,655.82x = 1,073,544,684.90
  5. Step 5: Solve for x
    x = 1,073,544,684.90/37,655.82
  6. Step 6: Final answer
    x = 28,509.40

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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.