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Finding the Fourth Proportional to 61,577.04, 84,975.72 and 34,353.36

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Solution

The fourth proportional to 61,577.04, 84,975.72 and 34,353.36 is: 47,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,577.04 : 84,975.72 = 34,353.36 : x
  2. Step 2: Convert to fraction form
    61,577.04/84,975.72 = 34,353.36/x
  3. Step 3: Cross multiply
    61,577.04x = 84,975.72 × 34,353.36
  4. Step 4: Simplify right side
    61,577.04x = 2,919,201,500.42
  5. Step 5: Solve for x
    x = 2,919,201,500.42/61,577.04
  6. Step 6: Final answer
    x = 47,407.30

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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.