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Finding the Fourth Proportional to 23,980.76, 35,971.14 and 7,340.84

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Solution

The fourth proportional to 23,980.76, 35,971.14 and 7,340.84 is: 11,011.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,980.76 : 35,971.14 = 7,340.84 : x
  2. Step 2: Convert to fraction form
    23,980.76/35,971.14 = 7,340.84/x
  3. Step 3: Cross multiply
    23,980.76x = 35,971.14 × 7,340.84
  4. Step 4: Simplify right side
    23,980.76x = 264,058,383.36
  5. Step 5: Solve for x
    x = 264,058,383.36/23,980.76
  6. Step 6: Final answer
    x = 11,011.26

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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.