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Finding the Fourth Proportional to 65,550.74, 90,467.72 and 37,260.68

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Solution

The fourth proportional to 65,550.74, 90,467.72 and 37,260.68 is: 51,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,550.74 : 90,467.72 = 37,260.68 : x
  2. Step 2: Convert to fraction form
    65,550.74/90,467.72 = 37,260.68/x
  3. Step 3: Cross multiply
    65,550.74x = 90,467.72 × 37,260.68
  4. Step 4: Simplify right side
    65,550.74x = 3,370,888,765.25
  5. Step 5: Solve for x
    x = 3,370,888,765.25/65,550.74
  6. Step 6: Final answer
    x = 51,424.11

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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.