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Finding the Fourth Proportional to 61,935.52, 85,468.44 and 33,640.48

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Solution

The fourth proportional to 61,935.52, 85,468.44 and 33,640.48 is: 46,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,935.52 : 85,468.44 = 33,640.48 : x
  2. Step 2: Convert to fraction form
    61,935.52/85,468.44 = 33,640.48/x
  3. Step 3: Cross multiply
    61,935.52x = 85,468.44 × 33,640.48
  4. Step 4: Simplify right side
    61,935.52x = 2,875,199,346.45
  5. Step 5: Solve for x
    x = 2,875,199,346.45/61,935.52
  6. Step 6: Final answer
    x = 46,422.46

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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.