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Finding the Fourth Proportional to 23,980.56, 35,974.68 and 10,129.68

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Solution

The fourth proportional to 23,980.56, 35,974.68 and 10,129.68 is: 15,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,980.56 : 35,974.68 = 10,129.68 : x
  2. Step 2: Convert to fraction form
    23,980.56/35,974.68 = 10,129.68/x
  3. Step 3: Cross multiply
    23,980.56x = 35,974.68 × 10,129.68
  4. Step 4: Simplify right side
    23,980.56x = 364,411,996.50
  5. Step 5: Solve for x
    x = 364,411,996.50/23,980.56
  6. Step 6: Final answer
    x = 15,196.14

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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.