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Finding the Fourth Proportional to 61,936.63, 85,473 and 33,642.31

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Solution

The fourth proportional to 61,936.63, 85,473 and 33,642.31 is: 46,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,936.63 : 85,473 = 33,642.31 : x
  2. Step 2: Convert to fraction form
    61,936.63/85,473 = 33,642.31/x
  3. Step 3: Cross multiply
    61,936.63x = 85,473 × 33,642.31
  4. Step 4: Simplify right side
    61,936.63x = 2,875,509,162.63
  5. Step 5: Solve for x
    x = 2,875,509,162.63/61,936.63
  6. Step 6: Final answer
    x = 46,426.63

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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.