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Finding the Fourth Proportional to 65,392.74, 90,269.10 and 44,200.71

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Solution

The fourth proportional to 65,392.74, 90,269.10 and 44,200.71 is: 61,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,392.74 : 90,269.10 = 44,200.71 : x
  2. Step 2: Convert to fraction form
    65,392.74/90,269.10 = 44,200.71/x
  3. Step 3: Cross multiply
    65,392.74x = 90,269.10 × 44,200.71
  4. Step 4: Simplify right side
    65,392.74x = 3,989,958,311.06
  5. Step 5: Solve for x
    x = 3,989,958,311.06/65,392.74
  6. Step 6: Final answer
    x = 61,015.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.