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Finding the Fourth Proportional to 62,558.76, 86,327.90 and 34,259

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Solution

The fourth proportional to 62,558.76, 86,327.90 and 34,259 is: 47,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,558.76 : 86,327.90 = 34,259 : x
  2. Step 2: Convert to fraction form
    62,558.76/86,327.90 = 34,259/x
  3. Step 3: Cross multiply
    62,558.76x = 86,327.90 × 34,259
  4. Step 4: Simplify right side
    62,558.76x = 2,957,507,526.10
  5. Step 5: Solve for x
    x = 2,957,507,526.10/62,558.76
  6. Step 6: Final answer
    x = 47,275.67

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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.