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Finding the Fourth Proportional to 61,477.79, 84,820.97 and 37,579.34

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Solution

The fourth proportional to 61,477.79, 84,820.97 and 37,579.34 is: 51,848.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,477.79 : 84,820.97 = 37,579.34 : x
  2. Step 2: Convert to fraction form
    61,477.79/84,820.97 = 37,579.34/x
  3. Step 3: Cross multiply
    61,477.79x = 84,820.97 × 37,579.34
  4. Step 4: Simplify right side
    61,477.79x = 3,187,516,376.76
  5. Step 5: Solve for x
    x = 3,187,516,376.76/61,477.79
  6. Step 6: Final answer
    x = 51,848.26

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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.