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Finding the Fourth Proportional to 67,992.58, 101,530.76 and 55,537.21

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Solution

The fourth proportional to 67,992.58, 101,530.76 and 55,537.21 is: 82,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,992.58 : 101,530.76 = 55,537.21 : x
  2. Step 2: Convert to fraction form
    67,992.58/101,530.76 = 55,537.21/x
  3. Step 3: Cross multiply
    67,992.58x = 101,530.76 × 55,537.21
  4. Step 4: Simplify right side
    67,992.58x = 5,638,735,139.58
  5. Step 5: Solve for x
    x = 5,638,735,139.58/67,992.58
  6. Step 6: Final answer
    x = 82,931.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.