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Finding the Fourth Proportional to 23,980.74, 33,084.74 and 13,903.63

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Solution

The fourth proportional to 23,980.74, 33,084.74 and 13,903.63 is: 19,181.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,980.74 : 33,084.74 = 13,903.63 : x
  2. Step 2: Convert to fraction form
    23,980.74/33,084.74 = 13,903.63/x
  3. Step 3: Cross multiply
    23,980.74x = 33,084.74 × 13,903.63
  4. Step 4: Simplify right side
    23,980.74x = 459,997,983.61
  5. Step 5: Solve for x
    x = 459,997,983.61/23,980.74
  6. Step 6: Final answer
    x = 19,181.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.