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Finding the Fourth Proportional to 74,762.54, 111,983 and 35,260.46

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Solution

The fourth proportional to 74,762.54, 111,983 and 35,260.46 is: 52,814.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,762.54 : 111,983 = 35,260.46 : x
  2. Step 2: Convert to fraction form
    74,762.54/111,983 = 35,260.46/x
  3. Step 3: Cross multiply
    74,762.54x = 111,983 × 35,260.46
  4. Step 4: Simplify right side
    74,762.54x = 3,948,572,092.18
  5. Step 5: Solve for x
    x = 3,948,572,092.18/74,762.54
  6. Step 6: Final answer
    x = 52,814.85

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1.5x scale

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.