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Finding the Fourth Proportional to 65,020.56, 97,530.84 and 22,890.72

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Solution

The fourth proportional to 65,020.56, 97,530.84 and 22,890.72 is: 34,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,020.56 : 97,530.84 = 22,890.72 : x
  2. Step 2: Convert to fraction form
    65,020.56/97,530.84 = 22,890.72/x
  3. Step 3: Cross multiply
    65,020.56x = 97,530.84 × 22,890.72
  4. Step 4: Simplify right side
    65,020.56x = 2,232,551,149.80
  5. Step 5: Solve for x
    x = 2,232,551,149.80/65,020.56
  6. Step 6: Final answer
    x = 34,336.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.