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Finding the Fourth Proportional to 61,254.57, 84,528.57 and 34,396.59

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Solution

The fourth proportional to 61,254.57, 84,528.57 and 34,396.59 is: 47,465.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,254.57 : 84,528.57 = 34,396.59 : x
  2. Step 2: Convert to fraction form
    61,254.57/84,528.57 = 34,396.59/x
  3. Step 3: Cross multiply
    61,254.57x = 84,528.57 × 34,396.59
  4. Step 4: Simplify right side
    61,254.57x = 2,907,494,565.58
  5. Step 5: Solve for x
    x = 2,907,494,565.58/61,254.57
  6. Step 6: Final answer
    x = 47,465.76

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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.