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Finding the Fourth Proportional to 73,282.24, 101,129.68 and 39,748.24

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Solution

The fourth proportional to 73,282.24, 101,129.68 and 39,748.24 is: 54,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,282.24 : 101,129.68 = 39,748.24 : x
  2. Step 2: Convert to fraction form
    73,282.24/101,129.68 = 39,748.24/x
  3. Step 3: Cross multiply
    73,282.24x = 101,129.68 × 39,748.24
  4. Step 4: Simplify right side
    73,282.24x = 4,019,726,791.76
  5. Step 5: Solve for x
    x = 4,019,726,791.76/73,282.24
  6. Step 6: Final answer
    x = 54,852.67

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1.5x scale

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.