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Finding the Fourth Proportional to 75,980.63, 113,968.22 and 23,388.75

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Solution

The fourth proportional to 75,980.63, 113,968.22 and 23,388.75 is: 35,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,980.63 : 113,968.22 = 23,388.75 : x
  2. Step 2: Convert to fraction form
    75,980.63/113,968.22 = 23,388.75/x
  3. Step 3: Cross multiply
    75,980.63x = 113,968.22 × 23,388.75
  4. Step 4: Simplify right side
    75,980.63x = 2,665,574,088.58
  5. Step 5: Solve for x
    x = 2,665,574,088.58/75,980.63
  6. Step 6: Final answer
    x = 35,082.28

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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.