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Finding the Fourth Proportional to 61,451.37, 84,802.95 and 34,594.08

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Solution

The fourth proportional to 61,451.37, 84,802.95 and 34,594.08 is: 47,739.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,451.37 : 84,802.95 = 34,594.08 : x
  2. Step 2: Convert to fraction form
    61,451.37/84,802.95 = 34,594.08/x
  3. Step 3: Cross multiply
    61,451.37x = 84,802.95 × 34,594.08
  4. Step 4: Simplify right side
    61,451.37x = 2,933,680,036.54
  5. Step 5: Solve for x
    x = 2,933,680,036.54/61,451.37
  6. Step 6: Final answer
    x = 47,739.86

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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.