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Finding the Fourth Proportional to 61,883.47, 85,401.01 and 33,590.98

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Solution

The fourth proportional to 61,883.47, 85,401.01 and 33,590.98 is: 46,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,883.47 : 85,401.01 = 33,590.98 : x
  2. Step 2: Convert to fraction form
    61,883.47/85,401.01 = 33,590.98/x
  3. Step 3: Cross multiply
    61,883.47x = 85,401.01 × 33,590.98
  4. Step 4: Simplify right side
    61,883.47x = 2,868,703,618.89
  5. Step 5: Solve for x
    x = 2,868,703,618.89/61,883.47
  6. Step 6: Final answer
    x = 46,356.54

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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.