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Finding the Fourth Proportional to 61,480.48, 84,842.16 and 34,623.04

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Solution

The fourth proportional to 61,480.48, 84,842.16 and 34,623.04 is: 47,779.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,480.48 : 84,842.16 = 34,623.04 : x
  2. Step 2: Convert to fraction form
    61,480.48/84,842.16 = 34,623.04/x
  3. Step 3: Cross multiply
    61,480.48x = 84,842.16 × 34,623.04
  4. Step 4: Simplify right side
    61,480.48x = 2,937,493,499.37
  5. Step 5: Solve for x
    x = 2,937,493,499.37/61,480.48
  6. Step 6: Final answer
    x = 47,779.29

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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.