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Finding the Fourth Proportional to 51,936.39, 71,655.03 and 29,272.59

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Solution

The fourth proportional to 51,936.39, 71,655.03 and 29,272.59 is: 40,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,936.39 : 71,655.03 = 29,272.59 : x
  2. Step 2: Convert to fraction form
    51,936.39/71,655.03 = 29,272.59/x
  3. Step 3: Cross multiply
    51,936.39x = 71,655.03 × 29,272.59
  4. Step 4: Simplify right side
    51,936.39x = 2,097,528,314.63
  5. Step 5: Solve for x
    x = 2,097,528,314.63/51,936.39
  6. Step 6: Final answer
    x = 40,386.49

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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.