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Finding the Fourth Proportional to 61,347.04, 84,659.72 and 34,487.98

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Solution

The fourth proportional to 61,347.04, 84,659.72 and 34,487.98 is: 47,593.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,347.04 : 84,659.72 = 34,487.98 : x
  2. Step 2: Convert to fraction form
    61,347.04/84,659.72 = 34,487.98/x
  3. Step 3: Cross multiply
    61,347.04x = 84,659.72 × 34,487.98
  4. Step 4: Simplify right side
    61,347.04x = 2,919,742,346.08
  5. Step 5: Solve for x
    x = 2,919,742,346.08/61,347.04
  6. Step 6: Final answer
    x = 47,593.86

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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.