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Finding the Fourth Proportional to 67,537.50, 93,201.75 and 37,729.50

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Solution

The fourth proportional to 67,537.50, 93,201.75 and 37,729.50 is: 52,066.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,537.50 : 93,201.75 = 37,729.50 : x
  2. Step 2: Convert to fraction form
    67,537.50/93,201.75 = 37,729.50/x
  3. Step 3: Cross multiply
    67,537.50x = 93,201.75 × 37,729.50
  4. Step 4: Simplify right side
    67,537.50x = 3,516,455,426.63
  5. Step 5: Solve for x
    x = 3,516,455,426.63/67,537.50
  6. Step 6: Final answer
    x = 52,066.71

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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.