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Finding the Fourth Proportional to 61,992.48, 85,549.29 and 35,140.08

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Solution

The fourth proportional to 61,992.48, 85,549.29 and 35,140.08 is: 48,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,992.48 : 85,549.29 = 35,140.08 : x
  2. Step 2: Convert to fraction form
    61,992.48/85,549.29 = 35,140.08/x
  3. Step 3: Cross multiply
    61,992.48x = 85,549.29 × 35,140.08
  4. Step 4: Simplify right side
    61,992.48x = 3,006,208,894.54
  5. Step 5: Solve for x
    x = 3,006,208,894.54/61,992.48
  6. Step 6: Final answer
    x = 48,493.12

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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.