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Finding the Fourth Proportional to 60,262.60, 90,437.10 and 33,939.40

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Solution

The fourth proportional to 60,262.60, 90,437.10 and 33,939.40 is: 50,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,262.60 : 90,437.10 = 33,939.40 : x
  2. Step 2: Convert to fraction form
    60,262.60/90,437.10 = 33,939.40/x
  3. Step 3: Cross multiply
    60,262.60x = 90,437.10 × 33,939.40
  4. Step 4: Simplify right side
    60,262.60x = 3,069,380,911.74
  5. Step 5: Solve for x
    x = 3,069,380,911.74/60,262.60
  6. Step 6: Final answer
    x = 50,933.43

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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.