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Finding the Fourth Proportional to 61,070.52, 84,276.54 and 34,212.54

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Solution

The fourth proportional to 61,070.52, 84,276.54 and 34,212.54 is: 47,212.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,070.52 : 84,276.54 = 34,212.54 : x
  2. Step 2: Convert to fraction form
    61,070.52/84,276.54 = 34,212.54/x
  3. Step 3: Cross multiply
    61,070.52x = 84,276.54 × 34,212.54
  4. Step 4: Simplify right side
    61,070.52x = 2,883,314,495.81
  5. Step 5: Solve for x
    x = 2,883,314,495.81/61,070.52
  6. Step 6: Final answer
    x = 47,212.87

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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.