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Finding the Fourth Proportional to 35,507.28, 53,260.92 and 12,133.92

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Solution

The fourth proportional to 35,507.28, 53,260.92 and 12,133.92 is: 18,200.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,507.28 : 53,260.92 = 12,133.92 : x
  2. Step 2: Convert to fraction form
    35,507.28/53,260.92 = 12,133.92/x
  3. Step 3: Cross multiply
    35,507.28x = 53,260.92 × 12,133.92
  4. Step 4: Simplify right side
    35,507.28x = 646,263,742.41
  5. Step 5: Solve for x
    x = 646,263,742.41/35,507.28
  6. Step 6: Final answer
    x = 18,200.88

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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.