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Finding the Fourth Proportional to 61,960.47, 85,485.25 and 36,113.12

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Solution

The fourth proportional to 61,960.47, 85,485.25 and 36,113.12 is: 49,824.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,960.47 : 85,485.25 = 36,113.12 : x
  2. Step 2: Convert to fraction form
    61,960.47/85,485.25 = 36,113.12/x
  3. Step 3: Cross multiply
    61,960.47x = 85,485.25 × 36,113.12
  4. Step 4: Simplify right side
    61,960.47x = 3,087,139,091.48
  5. Step 5: Solve for x
    x = 3,087,139,091.48/61,960.47
  6. Step 6: Final answer
    x = 49,824.33

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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.