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Finding the Fourth Proportional to 61,486.29, 84,764.48 and 46,395.99

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Solution

The fourth proportional to 61,486.29, 84,764.48 and 46,395.99 is: 63,961.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,486.29 : 84,764.48 = 46,395.99 : x
  2. Step 2: Convert to fraction form
    61,486.29/84,764.48 = 46,395.99/x
  3. Step 3: Cross multiply
    61,486.29x = 84,764.48 × 46,395.99
  4. Step 4: Simplify right side
    61,486.29x = 3,932,731,734.46
  5. Step 5: Solve for x
    x = 3,932,731,734.46/61,486.29
  6. Step 6: Final answer
    x = 63,961.12

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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.