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Finding the Fourth Proportional to 37,703.52, 56,579.52 and 20,178.24

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Solution

The fourth proportional to 37,703.52, 56,579.52 and 20,178.24 is: 30,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,703.52 : 56,579.52 = 20,178.24 : x
  2. Step 2: Convert to fraction form
    37,703.52/56,579.52 = 20,178.24/x
  3. Step 3: Cross multiply
    37,703.52x = 56,579.52 × 20,178.24
  4. Step 4: Simplify right side
    37,703.52x = 1,141,675,133.64
  5. Step 5: Solve for x
    x = 1,141,675,133.64/37,703.52
  6. Step 6: Final answer
    x = 30,280.33

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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.