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Finding the Fourth Proportional to 72,287.37, 108,410.25 and 24,900.55

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Solution

The fourth proportional to 72,287.37, 108,410.25 and 24,900.55 is: 37,343.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,287.37 : 108,410.25 = 24,900.55 : x
  2. Step 2: Convert to fraction form
    72,287.37/108,410.25 = 24,900.55/x
  3. Step 3: Cross multiply
    72,287.37x = 108,410.25 × 24,900.55
  4. Step 4: Simplify right side
    72,287.37x = 2,699,474,579.61
  5. Step 5: Solve for x
    x = 2,699,474,579.61/72,287.37
  6. Step 6: Final answer
    x = 37,343.65

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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.