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Finding the Fourth Proportional to 68,281.38, 94,224.75 and 37,659.51

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Solution

The fourth proportional to 68,281.38, 94,224.75 and 37,659.51 is: 51,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,281.38 : 94,224.75 = 37,659.51 : x
  2. Step 2: Convert to fraction form
    68,281.38/94,224.75 = 37,659.51/x
  3. Step 3: Cross multiply
    68,281.38x = 94,224.75 × 37,659.51
  4. Step 4: Simplify right side
    68,281.38x = 3,548,457,914.87
  5. Step 5: Solve for x
    x = 3,548,457,914.87/68,281.38
  6. Step 6: Final answer
    x = 51,968.16

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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.