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Finding the Fourth Proportional to 65,551.49, 90,468.83 and 37,261.43

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Solution

The fourth proportional to 65,551.49, 90,468.83 and 37,261.43 is: 51,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,551.49 : 90,468.83 = 37,261.43 : x
  2. Step 2: Convert to fraction form
    65,551.49/90,468.83 = 37,261.43/x
  3. Step 3: Cross multiply
    65,551.49x = 90,468.83 × 37,261.43
  4. Step 4: Simplify right side
    65,551.49x = 3,370,997,789.92
  5. Step 5: Solve for x
    x = 3,370,997,789.92/65,551.49
  6. Step 6: Final answer
    x = 51,425.19

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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.