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Finding the Fourth Proportional to 61,315.63, 84,619.46 and 34,094.77

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Solution

The fourth proportional to 61,315.63, 84,619.46 and 34,094.77 is: 47,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,315.63 : 84,619.46 = 34,094.77 : x
  2. Step 2: Convert to fraction form
    61,315.63/84,619.46 = 34,094.77/x
  3. Step 3: Cross multiply
    61,315.63x = 84,619.46 × 34,094.77
  4. Step 4: Simplify right side
    61,315.63x = 2,885,081,026.22
  5. Step 5: Solve for x
    x = 2,885,081,026.22/61,315.63
  6. Step 6: Final answer
    x = 47,052.95

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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.