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Finding the Fourth Proportional to 74,600.96, 111,884.34 and 21,291.92

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Solution

The fourth proportional to 74,600.96, 111,884.34 and 21,291.92 is: 31,933.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,600.96 : 111,884.34 = 21,291.92 : x
  2. Step 2: Convert to fraction form
    74,600.96/111,884.34 = 21,291.92/x
  3. Step 3: Cross multiply
    74,600.96x = 111,884.34 × 21,291.92
  4. Step 4: Simplify right side
    74,600.96x = 2,382,232,416.53
  5. Step 5: Solve for x
    x = 2,382,232,416.53/74,600.96
  6. Step 6: Final answer
    x = 31,933.00

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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.