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Finding the Fourth Proportional to 69,459.63, 95,856.03 and 42,586.53

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Solution

The fourth proportional to 69,459.63, 95,856.03 and 42,586.53 is: 58,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,459.63 : 95,856.03 = 42,586.53 : x
  2. Step 2: Convert to fraction form
    69,459.63/95,856.03 = 42,586.53/x
  3. Step 3: Cross multiply
    69,459.63x = 95,856.03 × 42,586.53
  4. Step 4: Simplify right side
    69,459.63x = 4,082,175,697.28
  5. Step 5: Solve for x
    x = 4,082,175,697.28/69,459.63
  6. Step 6: Final answer
    x = 58,770.48

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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.