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Finding the Fourth Proportional to 37,959.20, 56,938.80 and 14,586.20

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Solution

The fourth proportional to 37,959.20, 56,938.80 and 14,586.20 is: 21,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,959.20 : 56,938.80 = 14,586.20 : x
  2. Step 2: Convert to fraction form
    37,959.20/56,938.80 = 14,586.20/x
  3. Step 3: Cross multiply
    37,959.20x = 56,938.80 × 14,586.20
  4. Step 4: Simplify right side
    37,959.20x = 830,520,724.56
  5. Step 5: Solve for x
    x = 830,520,724.56/37,959.20
  6. Step 6: Final answer
    x = 21,879.30

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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.