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Finding the Fourth Proportional to 62,130.92, 85,749.12 and 36,644.49

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Solution

The fourth proportional to 62,130.92, 85,749.12 and 36,644.49 is: 50,574.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,130.92 : 85,749.12 = 36,644.49 : x
  2. Step 2: Convert to fraction form
    62,130.92/85,749.12 = 36,644.49/x
  3. Step 3: Cross multiply
    62,130.92x = 85,749.12 × 36,644.49
  4. Step 4: Simplify right side
    62,130.92x = 3,142,232,770.35
  5. Step 5: Solve for x
    x = 3,142,232,770.35/62,130.92
  6. Step 6: Final answer
    x = 50,574.38

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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.