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Finding the Fourth Proportional to 38,374.80, 57,648.60 and 26,710.80

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Solution

The fourth proportional to 38,374.80, 57,648.60 and 26,710.80 is: 40,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,374.80 : 57,648.60 = 26,710.80 : x
  2. Step 2: Convert to fraction form
    38,374.80/57,648.60 = 26,710.80/x
  3. Step 3: Cross multiply
    38,374.80x = 57,648.60 × 26,710.80
  4. Step 4: Simplify right side
    38,374.80x = 1,539,840,224.88
  5. Step 5: Solve for x
    x = 1,539,840,224.88/38,374.80
  6. Step 6: Final answer
    x = 40,126.34

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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.