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Finding the Fourth Proportional to 37,305.52, 55,899.84 and 20,655.28

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Solution

The fourth proportional to 37,305.52, 55,899.84 and 20,655.28 is: 30,950.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,305.52 : 55,899.84 = 20,655.28 : x
  2. Step 2: Convert to fraction form
    37,305.52/55,899.84 = 20,655.28/x
  3. Step 3: Cross multiply
    37,305.52x = 55,899.84 × 20,655.28
  4. Step 4: Simplify right side
    37,305.52x = 1,154,626,847.16
  5. Step 5: Solve for x
    x = 1,154,626,847.16/37,305.52
  6. Step 6: Final answer
    x = 30,950.56

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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.