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Finding the Fourth Proportional to 61,992.77, 85,552.67 and 38,127.33

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Solution

The fourth proportional to 61,992.77, 85,552.67 and 38,127.33 is: 52,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,992.77 : 85,552.67 = 38,127.33 : x
  2. Step 2: Convert to fraction form
    61,992.77/85,552.67 = 38,127.33/x
  3. Step 3: Cross multiply
    61,992.77x = 85,552.67 × 38,127.33
  4. Step 4: Simplify right side
    61,992.77x = 3,261,894,976.79
  5. Step 5: Solve for x
    x = 3,261,894,976.79/61,992.77
  6. Step 6: Final answer
    x = 52,617.35

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Double scale
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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.