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Finding the Fourth Proportional to 61,484.70, 84,848.04 and 34,629.87

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Solution

The fourth proportional to 61,484.70, 84,848.04 and 34,629.87 is: 47,788.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,484.70 : 84,848.04 = 34,629.87 : x
  2. Step 2: Convert to fraction form
    61,484.70/84,848.04 = 34,629.87/x
  3. Step 3: Cross multiply
    61,484.70x = 84,848.04 × 34,629.87
  4. Step 4: Simplify right side
    61,484.70x = 2,938,276,594.95
  5. Step 5: Solve for x
    x = 2,938,276,594.95/61,484.70
  6. Step 6: Final answer
    x = 47,788.74

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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.