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Finding the Fourth Proportional to 74,989.44, 112,484.16 and 22,399.44

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Solution

The fourth proportional to 74,989.44, 112,484.16 and 22,399.44 is: 33,599.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,989.44 : 112,484.16 = 22,399.44 : x
  2. Step 2: Convert to fraction form
    74,989.44/112,484.16 = 22,399.44/x
  3. Step 3: Cross multiply
    74,989.44x = 112,484.16 × 22,399.44
  4. Step 4: Simplify right side
    74,989.44x = 2,519,582,192.87
  5. Step 5: Solve for x
    x = 2,519,582,192.87/74,989.44
  6. Step 6: Final answer
    x = 33,599.16

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Similar ratio
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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.