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Finding the Fourth Proportional to 37,288.80, 55,846.80 and 25,538.40

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Solution

The fourth proportional to 37,288.80, 55,846.80 and 25,538.40 is: 38,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,288.80 : 55,846.80 = 25,538.40 : x
  2. Step 2: Convert to fraction form
    37,288.80/55,846.80 = 25,538.40/x
  3. Step 3: Cross multiply
    37,288.80x = 55,846.80 × 25,538.40
  4. Step 4: Simplify right side
    37,288.80x = 1,426,237,917.12
  5. Step 5: Solve for x
    x = 1,426,237,917.12/37,288.80
  6. Step 6: Final answer
    x = 38,248.43

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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.