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Finding the Fourth Proportional to 65,487.77, 90,373.75 and 37,193.66

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Solution

The fourth proportional to 65,487.77, 90,373.75 and 37,193.66 is: 51,327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,487.77 : 90,373.75 = 37,193.66 : x
  2. Step 2: Convert to fraction form
    65,487.77/90,373.75 = 37,193.66/x
  3. Step 3: Cross multiply
    65,487.77x = 90,373.75 × 37,193.66
  4. Step 4: Simplify right side
    65,487.77x = 3,361,330,530.43
  5. Step 5: Solve for x
    x = 3,361,330,530.43/65,487.77
  6. Step 6: Final answer
    x = 51,327.61

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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.